Does the Relationship Between HIV Stigma Subtypes and Viral Suppression Differ by Age?: A Stratified Analysis of Data from the Florida Medical Monitoring Project.

HIV-related stigma is recognized as a top barrier to achieve viral suppression in the United States, but data describing who is most affected by HIV stigma is limited. The study sought to (1) identify the relationships between HIV-related stigma and unsuppressed viral load and (2) examine whether the association between HIV stigma subtypes and unsuppressed viral load differ by age group (i.e., 18-34, 35-49, and 50+ years-old) using surveillance data from the Florida Medical Monitoring Project (n = 1195). Most participants were 50+ years-old (55%), male (71%), and Black (51%). Enacted stigma was significantly associated with unsuppressed viral loads among the 18-34-year-old age group (OR 1.68, CI 1.09-2.60). After adjusting for potential confounders, only enacted stigma was independently associated with unsuppressed viral load in the 18-34-year-old age group. Results highlight the need for targeted interventions to reduce enacted stigma among younger persons with HIV to achieve viral suppression.

Examining the Psychometrics of the National HIV Behavioral Surveillance Measure for Community HIV-Related Stigma.

The research tested the psychometrics of the Centers for Disease Control and Prevention's National HIV Behavioral Surveillance (NHBS) community HIV-related stigma scale. Data was from men who have sex with men (MSM) NHBS cycles conducted 2011-2017 in Miami-Dade, Florida among n = 1455 participants. MSM were cis-gender male, 18+ years old, reported lifetime oral/anal sex with a male, and lived in Miami-Dade County. We assessed reliability using Cronbach's alpha and McDonald's omega, determined factors using principal factor analysis, and assessed construct validity using five a priori hypotheses. The scale was unidimensional, had questionable internal reliability (α = 0.68, ω = 0.69), and met four of five a priori hypotheses in the expected direction. Correlations were medium-weak in strength and only one was consistently met. Future iterations of the NHBS survey should consider replacing the 4-item community HIV-related stigma scale with an instrument that has superior internal reliability, measures multiple HIV-related stigma dimensions, and demonstrates stronger evidence of validity.

RESUMEN: La investigación evaluó la psicometrías de la escala comunitaria de estigma relacionada con el VIH de La Vigilancia del Comportamiento Nacional del VIH de los Centros de Control y la Prevención de Enfermedades (National HIV Behavioral Surveillance, NHBS por sus siglas en Ingles). Los datos fueron de hombres que tienen sexo con hombres (HSH) ciclos NHBS realizados 2011­2027 en Miami-Dade, Florida entre n = 1455 participantes. Los HSH eran hombres cisgénero, mayores de 18 años, reportando haber tenido sexo oral/anal de toda la vida con un hombre y vivían en el condado de Miami-Dale. Evaluamos la confiabilidad usando el alfa de Cronbach y el omega de McDonald, determinamos los factores usando el análisis de factores principales y evaluamos la validez de constructo usando cinco hipótesis a priori. La escala era unidimensional, tenía una fiabilidad interna cuestionable (α = 0.68, ω = 0.69), y cumplía cuatro de cinco hipótesis a priori en la dirección esperada. Las correlaciones fueron de intensidad media-débil y solo una se cumplió de manera consistente. Las iteraciones futuras de la encuesta NHBS debería considerar reemplazar la escala comunitaria de estigma relacionada con el VIH de 4 ítems por un instrumento que tenga una confiabilidad interna superior, mida múltiples dimensiones del estigma relacionado con el VIH y demuestre una evidencia mas solida de validez.

Identifying the best measures of alcohol consumption to predict future HIV viral suppression trajectories.

Alcohol use is associated with poor outcomes among people living with HIV (PLWH), but it remains unclear which alcohol use measures best predict future HIV viral non-suppression over time. This study aimed to compare the ability of five alcohol use measures to predict risk of suboptimal HIV viral load trajectories over 36 months. We analyzed data from a cohort of PLWH in Florida including survey data linked to the state HIV surveillance system on prospective HIV viral loads over 36 months (n = 783; 66% male; 55% Black; Mage=46, SD = 11). Four trajectory patterns for HIV viral load were identified: consistently low (65.1%), decreasing (15.9%), increasing (10.6%), and consistently high (8.4%). Past year alcohol use frequency (OR = 2.1, CI:1.0-4.4), drinks consumed on a typical drinking day (OR = 2.2, CI:1.2-4.1), frequency of binge drinking (OR = 2.6, CI:1.3-5.2), and alcohol-related problems score (OR = 1.7, CI:1.1-2.7) were the measures predictive of the risk of future viral non-suppression above specific thresholds.

RESUMEN: El consumo de alcohol está asociado con malos resultados entre las personas que viven con el VIH (PLWH), pero aún no está claro qué medidas de consumo de alcohol predicen mejor la falta de supresión viral del VIH en el futuro con el tiempo. Este estudio tuvo como objetivo comparar la capacidad de cinco medidas de consumo de alcohol para predecir el riesgo de trayectorias subóptimas de la carga viral del VIH durante 36 meses. Analizamos datos de una cohorte de PLWH en Florida, incluidos datos de encuestas vinculadas al sistema estatal de vigilancia del VIH sobre posibles cargas virales del VIH durante 36 meses (n = 783; 66% hombres; 55% afroamericanos; Maños=46, SD = 11). Se identificaron cuatro patrones de trayectoria para la carga viral del VIH: consistentemente baja (65,1%), decreciente (15,9%), creciente (10,6%) y consistentemente alta (8,4%). Frecuencia de consumo de alcohol en el último año (OR = 2,1, IC: 1,0­4,4), bebidas consumidas en un día típico de consumo de alcohol (OR = 2,2, IC: 1,2­4,1), frecuencia de consumo excesivo de alcohol (OR = 2,6, IC: 1,3­5,2), y la puntuación de problemas relacionados con el alcohol (OR = 1,7, IC: 1,1­2,7) fueron las medidas predictivas del riesgo de no supresión viral futura por encima de umbrales específicos.

Gay Neighborhoods: Can They Be Identified in a Systematic Way Using Latent Class Analysis?

Identifying gay neighborhoods could help in targeting HIV prevention efforts for men who have sex with men. This study's purpose was to identify gay neighborhoods using latent class analysis (LCA). Data at the ZIP code level were drawn from the American Community Survey, website lists of gay bars and neighborhoods, and the Florida Department of Health HIV surveillance system. A two-class model was selected based on fit. About 9% of the ZIP code data was in class two, which was designated as gay neighborhoods. Cohen's kappa coefficient was used to examine agreement between the classification of ZIP codes from LCA and websites. Fair agreement was found (0.2501). Gay neighborhoods could serve as a place to disseminate information about pre-exposure prophylaxis and other methods for HIV prevention. Improved measures, such as the planned question about same-sex spouses for the 2020 US Census, are needed to identify gay neighborhoods in population-level surveys.

Sociodemographic, Ecological, and Spatiotemporal Factors Associated with Human Immunodeficiency Virus Drug Resistance in Florida: A Retrospective Analysis.

BACKGROUND: Persons living with human immunodeficiency virus (HIV) with resistance to antiretroviral therapy are vulnerable to adverse HIV-related health outcomes and can contribute to transmission of HIV drug resistance (HIVDR) when nonvirally suppressed. The degree to which HIVDR contributes to disease burden in Florida-the US state with the highest HIV incidence- is unknown. METHODS: We explored sociodemographic, ecological, and spatiotemporal associations of HIVDR. HIV-1 sequences (n = 34 447) collected during 2012-2017 were obtained from the Florida Department of Health. HIVDR was categorized by resistance class, including resistance to nucleoside reverse-transcriptase , nonnucleoside reverse-transcriptase , protease , and integrase inhibitors. Multidrug resistance and transmitted drug resistance were also evaluated. Multivariable fixed-effects logistic regression models were fitted to associate individual- and county-level sociodemographic and ecological health indicators with HIVDR. RESULTS: The HIVDR prevalence was 19.2% (nucleoside reverse-transcriptase inhibitor resistance), 29.7% (nonnucleoside reverse-transcriptase inhibitor resistance), 6.6% (protease inhibitor resistance), 23.5% (transmitted drug resistance), 13.2% (multidrug resistance), and 8.2% (integrase strand transfer inhibitor resistance), with significant variation by Florida county. Individuals who were older, black, or acquired HIV through mother-to-child transmission had significantly higher odds of HIVDR. HIVDR was linked to counties with lower socioeconomic status, higher rates of unemployment, and poor mental health. CONCLUSIONS: Our findings indicate that HIVDR prevalence is higher in Florida than aggregate North American estimates with significant geographic and socioecological heterogeneity.

Syphilitic Reinfections During the Same Pregnancy-Florida, 2018.

ABSTRACT: We reviewed all cases of syphilis reported among pregnant women in Florida in 2018 for syphilitic reinfection. Nineteen (7.3%) of 261 pregnant women with syphilis were reported as reinfected during the same pregnancy. Timely rescreening and treatment prevented 6 (31.6%) of 19 reinfected women from delivering infants with congenital syphilis.

Incarceration History and HIV Care Among Individuals Living with HIV in Florida, 2014-2018.

The present study examines the HIV continuum of care outcomes among people living with HIV (PLWH) who have either recent (< 12-months) or distal (> 12-months) incarceration history compared to those without an incarceration history. A self-administered survey (as part of the Florida Cohort Study (n = 932)) was used to collect data on demographic information, linkage to care, retention in care, HIV medication adherence, viral suppression, and incarceration history. Those with recent incarceration history were least likely to report HIV medication adherence greater than or equal to 95% of the time (χ2 = 8.79; p = 0.0124), always take their medications as directed (χ2 = 15.29; p = 0.0005), and to have durable viral suppression (χ2 = 16.65; p = 0.0002) compared to those distally or never incarcerated. In multivariable analyses, those never and distally incarcerated had greater odds of care linkage ([vs recently incarcerated] AOR = 2.58; CI: 1.31, 5.07; p = 0.0063, AOR = 2.09; CI: 1.11, 3.95; p = 0.0228, respectively). Those never incarcerated had greater odds of taking ART as directed ([vs recently incarcerated] AOR = 2.53; CI: 1.23 - 5.19; p = 0.0116). PLWH with an incarceration history may need more on-going monitoring and follow-up HIV care than those without previous incarceration regardless of when incarceration occurred.

RESUMEN: El presente estudio examina el cuidado continuo entre las personas que viven con VIH (PVVS) con antecedentes penales recientes (en los últimos 12 meses) o más (> 12 meses) en comparación con aquellos sin antecedentes penales. Se utilizaron datos del Estudio de Cohorte de la Florida (n = 932). Se utilizó una encuesta auto administrada para recopilar datos sobre variables demográficas, vínculo al cuidado, retención al cuidado, adherencia a medicamentos contra el VIH, supresión viral e historial de encarcelamiento. Aquellos con antecedentes penales recientes fueron menos probable de reportar adherencia a medicamentos contra el VIH, mayor o igual a, el 95% de las ocasiones (χ2 = 8.79; p = 0.0124), tomando siempre sus medicamentos según las instrucciones (χ2 = 15.29; p = 0.0005), y tener una supresión viral duradera (χ2 = 16.65; p = 0.0002) en comparación con los encarcelados en el pasado o nunca encarcelados. En los análisis multivariables, aquellos que nunca fueron encarcelados y aquellos que estuvieron encarcelados hace mucho tiempo atrás tuvieron mayor probabilidad de estar vinculados con el cuidado médico ([en contraste con aquellos recientemente encarcelados]AOR = 2.58; CI: 1.31, 5.07; p = 0.0063, AOR = 2.09; CI: 1.11, 3.95; p = 0.0228, respectivamente). Aquellos que nunca fueron encarcelados tuvieron mayor probabilidad de tomar la TAR según indicado ([en contraste con aquellos recientemente encarcelados] AOR = 2.53; CI: 1.23 ­ 5.19; p = 0.0116). PVVS con historial de encarcelamiento necesitan más monitoreo y cuidado de seguimiento continuo en comparación con aquellos sin encarcelaciones previas, independientemente de cuando ocurrió el encarcelamiento.

Enacted HIV-Related Stigma's Association with Anxiety & Depression Among People Living with HIV (PLWH) in Florida.

Research has shown that HIV-related stigma contributes to people living with HIV having a higher risk of mental health disorders. Our study examines the association between enacted HIV-related stigma and symptoms of anxiety and depression among PLWH. We used baseline data from 932 PLWH collected from the Florida Cohort study between 2014 and 2018. The sample was majority 45 + years of age (63.5%), male (66.0%), and Black (58.1%). The majority had previously experienced enacted HIV-related stigma (53.1%). Additionally, 56.6% and 65.2% showed mild to moderate/severe levels of anxiety and depression, respectively. Those who experienced any levels of enacted HIV-related stigma (vs none) had significantly greater odds of mild and moderate/severe levels of anxiety (vs no/minimal) (AOR[CI] 1.54[1.13, 2.10], p = 0.006; AOR[CI] 3.36[2.14, 5.26], p < 0.001, respectively) and depression (AOR[CI] 1.61[1.19, 2.18], p = 0.002; AOR[CI] 3.66[2.32, 5.77], p < 0.001, respectively). Findings suggest a need to evaluate interventions for PLWH to reduce the deleterious effects of enacted HIV-related stigma on mental health.

RESUMEN: Investigaciones previas han documentado que el estigma relacionado con el VIH contribuye al alto riesgo de trastornos de salud mental entre las personas que viven con VIH. Nuestro estudio examina la asociación entre el estigma declarado y síntomas de ansiedad y depresión entre las personas que viven con VIH. Utilizamos datos de referencia recopilados por el "Florida Cohort Study" de 932 personas que viven con VIH. La mayoría de la muestra sobrepasaba 45 años (63.5%), era masculina (66.0%), y racialmente negra (58.1%). La mayoría había experimentado estigma declarado (53.1%). Además, 56.5% y 65.2% mostro niveles de síntomas leves a moderados/severos de ansiedad y depresión, respectivamente. Aquellos que experimentaron cualquier nivel de estigma declarado (vs ninguno) tenían mayores probabilidades de niveles de síntomas leves y moderados/severos de ansiedad (vs ninguno) (ORa[IC] 1.54[1.13, 2.10], p = 0.006; ORa[IC] 3.36[2.14, 5.26], p < 0.001, respectivamente) y depresión (ORa[IC] 1.61[1.19, 2.18], p = 0.002; ORa[IC] 3.66[2.32, 5.77], p < 0.001, respectivamente). Los resultados sugieren la necesidad de evaluar las intervenciones para las personas que viven con VIH para reducir los efectos nocivos del estigma declarado en la salud mental.

Identifying patterns of retention in care and viral suppression using latent class analysis among women living with HIV in Florida 2015-2017.

The study objective was to classify women with newly diagnosed HIV into patterns of retention in care (≥2 HIV care visits ≥3 months apart) and viral suppression over time and identify factors associated with class membership. Florida HIV/AIDS surveillance data were used to conduct Latent Class Analysis to classify women into patterns, and multinomial regression was used to compare the prevalence of class membership by demographic and clinical factors. Four classes were selected based on model fit parameters: (Class 1) consistently retained and suppressed (>90% probability of being retained and suppressed), (Class 2) not consistently retained or suppressed (≤10% probability of being retained and suppressed), (Class 3) increasingly retained and suppressed, and (Class 4) decreasingly retained and suppressed. The proportion of women in each class was 48.6%, 24.9%, 14.3%, and 12.2%, respectively. Women aged 25-34 compared to 35-49 years old, injection drug use mode of exposure, US born, and not linked to care three months post-diagnosis had a lower prevalence of belonging to the consistently retained and suppressed class. Findings may be useful in tailoring and targeting interventions to increase the prevalence of women who are consistently retained in care and virally suppressed.

The Florida Cohort study: methodology, initial findings and lessons learned from a multisite cohort of people living with HIV in Florida.

In 2013, Florida had the highest rate of new HIV infections and only 56% of persons living with HIV (PLWH) were virally suppressed. In response, we initiated a new HIV cohort in Florida to better understand issues affecting HIV health outcomes. This manuscript will describe the procedures of the Florida Cohort; summarize information regarding enrollment, follow-up, and findings to date; and discuss challenges and lessons learned during the establishment of a multisite cohort of PLWH. Florida Cohort participants were enrolled from eight clinics and community-based organizations geographically diverse counties across Florida. Data were obtained from participant questionnaires, medical records, and state surveillance data. From 2014-2018, 932 PLWH (44% ≥50 years, 64% male, 55% black, 20% Latinx) were enrolled. At baseline, 83% were retained in care and 75% were virally suppressed. Research findings to date have focused on outcomes such as the HIV care continuum, HIV-related comorbidities, alcohol and drug use, and mHealth interventions interest. Strengths included the diversity of the sample and the linkage of participant surveys with existing surveillance data. However, the study had several challenges during planning and follow-up. The lessons learned from this study can be helpful when initiating a new longitudinal cohort study.

Defining the optimal cut-point of self-reported ART adherence to achieve viral suppression in the era of contemporary HIV therapy: a cross-sectional study.

BACKGROUND: When considering adherence to antiretroviral therapy (ART) for HIV, many different cut-points are used. The primary goals of this study were to identify a level of self-reported medication adherence that best distinguished HIV viral suppression from non-suppression, and to compare the ability of a single-item and a 3-item adherence questionnaire to predict HIV viral suppression. METHODS: This cross-sectional analysis included 380 persons with HIV (PWH) from the Florida Cohort study who completed a self-reported ART adherence measure within 30-days of having an HIV viral load test. We used Receiver Operating Characteristic (ROC) curve analyses and ROCContrast to compare the ability of a single-item and a 3-item self-reported adherence measure to predict HIV viral suppression (defined as ≤ 200 copies/mL). We used the Youden index and chi square statistics to assess specific cut-points, and repeated the analysis with a different definition of HIV viral suppression (≤ 1000 copies/mL). RESULTS: The mean percent adherence was 92.4% using the single-item score and 90.4% using the 3-item score; 81.6% had viral suppression. The areas under the curve for the single-item and 3-item adherence measures were generally poor overall and not significantly different from each other (0.589 and 0.580, p = 0.67). The Youden index identified cut-points of 93% and 89% as maximizing the sensitivity and specificity for the single-item and 3-item measures, respectively, whereas a cut-point of 80% on the single-item measure was best able to discriminate those with viral suppression (58% vs. 84%, p < 0.001). Results were similar with viral suppression defined as ≤ 1000 copies/mL. CONCLUSIONS: In this sample of PWH, a single question on medication adherence was as good as a 3-item questionnaire in predicting HIV viral suppression, although neither had good discriminatory ability. A cut-point close to 90% adherence maximized sensitivity and specificity, although viral suppression was very similar for nearly all measures above 80%.

Metabolic Syndrome Among People Living with HIV Receiving Medical Care in Southern United States: Prevalence and Risk Factors.

Using representative data among 1861 in care people living with HIV (PLWH) in four southern states (Texas, Mississippi, Florida, and Georgia) from the 2013-2014 Medical Monitoring Project (MMP) survey, we estimated the prevalence and odds of metabolic syndrome (MetS) among various demographic and HIV related risk factors. Overall MetS prevalence was 34%, with our participants being mostly black (55%), male (72%), ≥ 50 years old (46%), and overweight or obese (60%) with undetectable viral loads (≤ 200 copies/ml, 69%), and were currently taking antiretroviral medication (98%). Compared to those who were ≥ 60 years, 18-39 year olds had a 79% (95% CI 0.13-0.33) lower odds of having MetS. Women were 2.24 times more likely to have MetS than men (95% CI 1.69-2.97). Age and sex were significant predictors of MetS. Since MetS is a combination of chronic disease risk factors, regular screening for MetS risk factors among aging PLWH is crucial.

Changing demographic among Latino MSM diagnosed with HIV in Florida, 2007-2016.

The study's objective was to assess temporal changes in birth country and age among newly diagnosed Latino men who have sex with men (MSM). We used records from Hispanics/Latinos (2007-2016) who were reported to the Florida HIV/AIDS surveillance system. We compared trends in birth country/region and age by year using a two-sided Cochran-Armitage Trend Test. Of 12,427 new diagnoses, 85.9% were among men. Of men, 79.5% were MSM. The proportion attributable to MSM increased from 70.0% in 2007-85.7% in 2016 (p-value < .0001). Compared with the trend in the proportion of MSM cases born in US-mainland, the proportion born in Cuba (20.0-29.9%; p-value < .0001) and South America (13.8% to 23.2%; p-value < .0001) increased significantly over time, and the proportion born in Central America (8.1% to 4.5%; p-value < .0001) decreased significantly over time. Compared with the trend in the proportion of MSM aged 35-49 years, the proportion aged 13-24 (15.4% to 20.6%; p-value < .0001) and 25-34 (25.0% to 35.6%; p-value < .0001) years increased significantly over time. In Florida, HIV prevention and screening strategies should be enhanced for Cuban and South American immigrants and young Latinos to address the increasing trend in new diagnoses among Latino MSM.

The Impact of HIV-Related Stigma on Racial/Ethnic Disparities in Retention in HIV Care Among Adults Living with HIV in Florida.

BACKGROUND: Our study examines the effects of distinct HIV stigma subtypes on retention in care and racial-ethnic differences among persons with HIV (PWH). METHODS: Using Florida Medical Monitoring Project 2015-2017 data, we analyzed patients' clinical and behavioral characteristics. We analyzed 89,889 PWH in Florida (50.0% non-Hispanic Blacks, 20.8% Hispanics, 29.2% non-Hispanic whites). HIV stigma subtypes, negative self-image, anticipated stigma, personalized stigma, and retention in care were examined with logistic regressions. RESULTS: People with high negative self-image and anticipated stigma were less likely to be retained (CI: 0.84-0.92; 0.47-0.53). The association between HIV-related stigma subtypes and retention in care differed between Black, White, and Hispanic participants. Negative self-image was associated with higher retention rates among Hispanics (CI: 5.64-9.26) and Whites (CI: 1.04-1.27), while low retention rates among Blacks (0.617-0.686). The likelihood of staying in care was lower across all racial-ethnic groups when the anticipated stigma was high or moderate. In contrast, personalized stigma increased retention across all racial-ethnic groups. CONCLUSION: Results showed that distinct types of HIV stigma differentially impact retention, and these associations differ by race and ethnicity. Future interventions should address the effect HIV stigma subtypes have on racially minoritized PWH retention.

Network typologies predict future molecular linkages in the network of HIV transmission.

OBJECTIVE: HIV molecular transmission network typologies have previously demonstrated associations to transmission risk; however, few studies have evaluated their predictive potential in anticipating future transmission events. To assess this, we tested multiple models on statewide surveillance data from the Florida Department of Health. DESIGN: This was a retrospective, observational cohort study examining the incidence of new HIV molecular linkages within the existing molecular network of persons with HIV (PWH) in Florida. METHODS: HIV-1 molecular transmission clusters were reconstructed for PWH diagnosed in Florida from 2006 to 2017 using the HIV-TRAnsmission Cluster Engine (HIV-TRACE). A suite of machine-learning models designed to predict linkage to a new diagnosis were internally and temporally externally validated using a variety of demographic, clinical, and network-derived parameters. RESULTS: Of the 9897 individuals who received a genotype within 12 months of diagnosis during 2012-2017, 2611 (26.4%) were molecularly linked to another case within 1 year at 1.5% genetic distance. The best performing model, trained on two years of data, was high performing (area under the receiving operating curve = 0.96, sensitivity = 0.91, and specificity = 0.90) and included the following variables: age group, exposure group, node degree, betweenness, transitivity, and neighborhood. CONCLUSIONS: In the molecular network of HIV transmission in Florida, individuals' network position and connectivity predicted future molecular linkages. Machine-learned models using network typologies performed superior to models using individual data alone. These models can be used to more precisely identify subpopulations for intervention.

Exploring changes in maternal and congenital syphilis epidemiology to identify factors contributing to increases in congenital syphilis in Florida: a two time-period observational study (2013-2014 vs 2018-2019).

OBJECTIVES: As, cases of congenital syphilis (CS) and infectious syphilis among women more than doubled in Florida and across the nation during 2013-2019, we sought to understand what may be contributing to these increases in Florida. DESIGN: A two time-period observational study. SETTING: Pregnant women with reported syphilis infections and their pregnancy outcomes (2013-2014 and 2018-2019) in Florida. PARTICIPANTS: 1213 pregnant women with reported syphilis infections living in Florida and 341 infants meeting the CS case definition. OUTCOME MEASURES: We assessed what proportion of the increase in CS was from increases in maternal syphilis infections. We examined maternal demographics, infection characteristics and timing of diagnoses that could explain the increase in CS. Finally, we reviewed if changes in presentation or severity of CS cases occurred. RESULTS: During 2013-2014, 83 (21%) of 404 pregnant women with syphilis delivered babies with CS. During 2018-2019, 258 (32%) of 809 pregnant women with syphilis delivered babies with CS. Comparing CS prevention rates, it was determined that 65% of the increase in CS was due to the increases in maternal syphilis infections. The proportion of maternal cases staged as primary or secondary increased over time (7%-13%) (p<0.01) and reports of drug use became slightly more common (6%-10%) (p=0.02). During 2018-2019, women delivering CS infants were more likely to be reinfected during the same pregnancy (27 (10%) vs 5 (6%) p=0.23) and more had negative third trimester screening tests (43 (17%) vs 7 (8% p=0.07)). The percentage of infants with CS who had ≥1 sign or symptom increased from 35% to 40%, and the combined total of stillbirths and infant deaths increased from 5 to 26. CONCLUSIONS: Recently, more pregnant women are being infected with syphilis and a higher per cent are not being treated to prevent CS. The reasons for this finding are unclear.

Application of machine learning algorithms for localized syringe services program policy implementation - Florida, 2017.

BACKGROUND: People who inject drugs (PWID) are at an amplified vulnerability for experiencing a multitude of harms related to their substance use, including viral (e.g. HIV, Hepatitis C) and bacterial infections (e.g. endocarditis). Implementation of evidence-based interventions, such as syringe services programs (SSPs), remains imperative, particularly in locations at an increased risk of HIV outbreaks. This study aims to identify communities in Florida that are high-priority locations for SSP implementation by examining state-level data related to the substance use and overdose crises. METHODS: State-level surveillance data were aggregated at the ZIP Code Tabulation Area (ZCTA) (n = 983) for 2017. We used confirmed cases of acute HCV infection as a proxy of injection drug use. Least Absolute Selection and Shrinkage Operator (LASSO) regression was used to develop a machine learning model to identify significant indicators of acute HCV infection and high-priority areas for SSP implementation due to their increased vulnerability to an HIV outbreak. RESULTS: The final model retained three variables of importance: (1) the number of drug-associated skin and soft tissue infection hospitalizations, (2) the number of chronic HCV infections in people aged 18-39, and 3) the number of drug-associated endocarditis hospitalizations. High-priority SSP implementation locations were identified in both urban and rural communities outside of current Ending the HIV Epidemic counties. CONCLUSION: SSPs are long researched, safe, and effective evidence-based programs that offer a variety of services that reduce disease transmission and assist with combating the overdose crisis. Opportunities to increase services in needed regions across the state now exist in Florida as supported by the expansion of the Infectious Disease Elimination Act of 2019. This study provides details where potential areas of concern may be and highlights regions where future evidence-based harm reduction programs, such as SSPs, would be useful to reduce opioid overdoses and disease transmission among PWID.Key messagesThe rate of acute HCV in Florida in 2017 was 1.9 per 100,000, nearly twice the national average.Serious injection related infections among PWID are significant indicators of acute HCV infection.High-priority SSP implementation locations in Florida were identified in both urban and rural communities, including those outside of current Ending the HIV Epidemic counties.

Molecular Epidemiology of HIV-1 Subtype B Infection across Florida Reveals Few Large Superclusters with Metropolitan Origin.

Florida is considered an epicenter of HIV in the United States. The U.S. federal plan for Ending the HIV Epidemic (EHE) within 10 years prioritizes seven of Florida's 67 counties for intervention. We applied molecular epidemiology methods to characterize the HIV infection networks in the state and infer whether the results support the EHE. HIV sequences (N = 34,446) and associated clinical/demographic metadata of diagnosed people with HIV (PWH), during 2007 to 2017, were retrieved from the Florida Department of Health. HIV genetic networks were investigated using MicrobeTrace. Associates of clustering were identified through boosted logistic regression. Assortative trait mixing was also assessed. Bayesian phylogeographic methods were applied to evaluate evidence of imported HIV-1 lineages and illustrate spatiotemporal flows within Florida. We identified nine large clusters spanning all seven EHE counties but little evidence of external introductions, suggesting-in the absence of undersampling-an epidemic that evolved independently from the rest of the country or other external influences. Clusters were highly assortative by geography. Most of the sampled infections (82%) did not cluster with others in the state using standard molecular surveillance methods despite satisfactory sequence sampling in the state. The odds of being unclustered were higher among PWH in rural regions, and depending on demographics. A significant number of unclustered sequences were observed in counties omitted from EHE. The large number of missing sequence links may impact timely detection of emerging transmission clusters and ultimately hinder the success of EHE in Florida. Molecular epidemiology may help better understand infection dynamics at the population level and underlying disparities in disease transmission among subpopulations; however, there is also a continuous need to conduct ethical discussions to avoid possible harm of advanced methodologies to vulnerable groups, especially in the context of HIV stigmatization. IMPORTANCE The large number of missing phylogenetic linkages in rural Florida counties and among women and Black persons with HIV may impact timely detection of ongoing and emerging transmission clusters and ultimately hinder the success of epidemic elimination goals in Florida.

Social disorganization and new HIV diagnoses, 2013-2017, Florida: Rural-urban differences.

PURPOSE: To compare the role of neighborhood social disorganization factors on human immunodeficiency virus (HIV) diagnosis rates in urban and rural areas in Florida, we conducted an ecologic study of HIV diagnosis rates during 2013-2017 and social disorganization components, including concentrated disadvantage, ethnic heterogeneity, and residential instability. METHODS: Indices of social disorganization components were obtained from principal component analyses of American Community Survey variables for 910 postal codes. Rural/urban classification was based on the United States Department of Agriculture Rural Urban Commuting Area codes. Using multivariable linear regression, the relationship between social disorganization indices and HIV diagnosis rates was assessed. FINDINGS: The only social disorganization index that was significantly higher in rural than urban areas was concentrated disadvantage. In rural areas, the concentrated disadvantage index was significantly associated with HIV diagnosis rates (P = .007) when controlling for the other social disorganization factors but was no longer significant after additionally controlling for prevalence of people with an HIV diagnosis who were not virally suppressed. In urban areas, even after controlling for prevalence of people with HIV who were not virally suppressed, lower male-to-female population ratios and higher scores of residential instability, concentrated disadvantage, and LatinX/immigrant density indices were associated with higher HIV diagnosis rates (all P < .01). CONCLUSIONS: In addition to improving community levels of viral suppression, the community contextual environment, including the rurality of the environment, needs to be considered in strategies to end the HIV epidemic in the United States.