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1.
R I Med J (2013) ; 106(3): 58-62, 2023 Apr 03.
Статья в английский | MEDLINE | ID: covidwho-2274198

Реферат

OBJECTIVE: The COVID-19 pandemic brought about many social, psychological, and economic changes. We sought to compare pregnancy and birth outcomes immediately preceding the COVID-19 lockdown to those 12 months later. STUDY DESIGN: This was a retrospective cohort study of people giving birth at a large-volume tertiary medical center in Rhode Island. We compared those who gave birth in February 2020 to those in February 2021.  Results: Fewer people delivered in 2021 than 2020 (562 vs. 655). There was a non-significant decrease in the number of primary cesarean deliveries from 2020 to 2021. Insurance status modified this effect as there was a significant decrease in the number of patients with private insurance undergoing primary cesarean (63.6 vs 36.4%, p=0.004). Neonatal complications significantly decreased (55.4% vs 47.4%, p=0.006). CONCLUSION: There were differences in sociodemographic characteristics and outcomes of birthing people between 2020 and 2021. The socioeconomic and healthcare landscape caused by COVID-19 altered statewide birthing patterns.


Тема - темы
COVID-19 , Infant, Newborn , Female , Pregnancy , Humans , COVID-19/epidemiology , Retrospective Studies , Pandemics , Communicable Disease Control , Rhode Island/epidemiology , Pregnancy Outcome/epidemiology
2.
Harm Reduct J ; 20(1): 14, 2023 02 04.
Статья в английский | MEDLINE | ID: covidwho-2230113

Реферат

BACKGROUND: The ongoing COVID-19 pandemic has disproportionately affected structurally vulnerable populations including people who use drugs (PWUD). Increased overdose risk behaviors among PWUD during the pandemic have been documented, with research underscoring the role of influencing factors such as isolation and job loss in these behaviors. Here, we use qualitative methods to examine the impact of the COVID-19 pandemic and pandemic-related response measures on drug use behaviors in a sample of PWUD in Rhode Island. Using a social-ecological framework, we highlight the nested, interactive levels of the pandemic's influence on increased overdose risk behaviors. METHODS: From July to October 2021, semi-structured interviews were conducted with 18 PWUD who self-reported any increase in behaviors associated with overdose risk (e.g., increased use, change in drug type and/or more solitary drug use) relative to before the pandemic. Thematic analysis was conducted using a codebook with salient themes identified from interview guides and those that emerged through close reading of transcribed interviews. Guided by a social-ecological framework, themes were grouped into individual, network, institutional, and policy-level influences of the pandemic on drug use behaviors. RESULTS: Individual-level influences on increased overdose risk behaviors included self-reported anxiety and depression, isolation and loneliness, and boredom. Network-level influences included changes in local drug supply and changes in social network composition specific to housing. At the institutional level, drug use patterns were influenced by reduced access to harm reduction or treatment services. At the policy level, increased overdose risk behaviors were related to financial changes, job loss, and business closures. All participants identified factors influencing overdose risk behaviors that corresponded to several nested social-ecological levels. CONCLUSIONS: Participants identified multi-level influences of the COVID-19 pandemic and pandemic-related response measures on their drug use behavior patterns and overdose risk. These findings suggest that effective harm reduction during large-scale crises, such as the COVID-19 pandemic, must address several levels of influence concurrently.


Тема - темы
COVID-19 , Drug Overdose , Substance-Related Disorders , Humans , Rhode Island/epidemiology , Pandemics , Drug Overdose/drug therapy , Substance-Related Disorders/complications , Risk-Taking
3.
R I Med J (2013) ; 106(1): 42-47, 2023 Feb 01.
Статья в английский | MEDLINE | ID: covidwho-2219042

Реферат

In 2020, Americans suffered marked increases in overdose deaths and self-reported suicidal ideation, widely attributed to COVID-19. However, the recent pandemic's full effect on suicide and drug overdose, two of the "deaths of despair", remains poorly understood. This study aims to illustrate the impact of COVID-19 on suicide and overdose calls to emergency medical services (EMS) in Rhode Island using syndromic analysis as a novel public health surveillance tool. Utilizing computer algorithms, suicide and overdose EMS calls were identified during the pre-pandemic (March 2019-February 2020) and pandemic (March 2020-February 2021) years. Versus the prior year, pandemic year mean monthly call volume declined significantly for opioid (-16.2%), overdose (-15.5%), and suicide ideation (-6.2%) syndromes. Given elevated national overdose deaths and suicidality, our results suggest that hesitancy to call 911 amid COVID-19 hampered EMS intervention on suicide and overdose patients, potentially compounding their despair and the acuity of their eventual presentation.


Тема - темы
COVID-19 , Drug Overdose , Emergency Medical Services , Humans , Rhode Island/epidemiology , Drug Overdose/epidemiology , Drug Overdose/drug therapy , Analgesics, Opioid/therapeutic use
4.
Subst Use Misuse ; 57(14): 2142-2145, 2022.
Статья в английский | MEDLINE | ID: covidwho-2097094

Реферат

Background: Accidental opioid-involved overdose deaths are increasing nationally in the wake of the COVID-19 pandemic, but it is unclear if this reflects a change in populations most at risk. Objective: To determine whether the demographic characteristics and controlled substance prescription history of accidental opioid-involved drug overdose decedents in 2020 differed from prior years. Methods: We identified accidental opioid-involved overdose decedents using Rhode Island (RI) State Medical Examiner's Office data. Decedents were linked to the RI Prescription Drug Monitoring Program database. We compared demographic characteristics and prescription history by year of death. Results: From 2018 to 2020, 763 RI residents died from accidental opioid-involved overdose in RI. From 2018 to 2019, deaths decreased by 7%, but then increased by 31% from 2019 to 2020. Demographic characteristics were similar by year of death (all p > 0.05). The percentage of decedents with a prior opioid prescription and a prior benzodiazepine prescription declined from 2018 to 2020 (p < 0.01 and p = 0.03). Conclusions: We found that opioid-involved overdose deaths in RI are increasing overall, but without significant changes in demographics. While prior exposure to some controlled substances did decline over time, it is not clear if these changes reflect more responsible prescribing practices, or a more concerning pattern such as patient abandonment or decreased healthcare access. More studies are needed to better describe the current trend of increasing opioid-involved deaths while also pursuing current evidence-based interventions.


Тема - темы
COVID-19 , Drug Overdose , Opiate Overdose , Humans , Analgesics, Opioid , Controlled Substances , Rhode Island/epidemiology , Pandemics , Drug Overdose/epidemiology , Prescriptions
5.
Ann Clin Lab Sci ; 52(5): 788-795, 2022 Sep.
Статья в английский | MEDLINE | ID: covidwho-2073144

Реферат

OBJECTIVE: Limited data are available on the performance of SARS-CoV-2 antibody assays and data collected during pregnancy vary widely. The objective of this study was to estimate the seroprevalence of antibodies against SARS-CoV-2 in pregnant individuals in Rhode Island and to evaluate whether the prevalence differed by month of collection, age, county of residence, or economic status as estimated by zip code. METHODS: Pre-pandemic (2019) and early pandemic (2020) serum samples, collected for prenatal screening between 15 and 22 weeks of gestation, were analyzed utilizing two SARS-CoV-2 immunoglobulin G (IgG) automated assays that targeted the viral nucleocapsid (anti-N) or spike (anti-S) receptor binding domain proteins. RESULTS: Among 756 pre-pandemic samples, one anti-S IgG and 13 anti-N IgG were identified. No samples were positive for both. Among 787 pandemic specimens, 16 (2.03%) were positive for both anti-N IgG and anti-S IgG. When stratified by month of collection, there was a significant increase in seropositivity rate (p=0.023). Seropositivity rates were associated with lower income levels (p=0.08) but this was not statistically significant. No trend by maternal age was found (p=0.70). CONCLUSIONS: When a positive result was defined as both anti-N IgG and anti-S IgG, false positives were unlikely. Based on this methodology, serology could be utilized to monitor infection trends during pregnancy.


Тема - темы
COVID-19 , SARS-CoV-2 , Humans , Pregnancy , Female , Spike Glycoprotein, Coronavirus , Seroepidemiologic Studies , Rhode Island/epidemiology , COVID-19/epidemiology , Immunoglobulin G , Antibodies, Viral
6.
R I Med J (2013) ; 105(6): 6-11, 2022 Aug 01.
Статья в английский | MEDLINE | ID: covidwho-1929521

Реферат

BACKGROUND: Genomic surveillance allows identification of circulating SARS-CoV-2 variants. We provide an update on the evolution of SARS-CoV-2 in Rhode Island (RI). METHODS: All publicly available SARS-CoV-2 RI sequences were retrieved from https://www.gisaid.org. Genomic analyses were conducted to identify variants of concern (VOC), variants being monitored (VBM), or non-VOC/non-VBM, and investigate their evolution. RESULTS: Overall, 17,340 SARS-CoV-2 RI sequences were available between 2/2020-5/2022 across five (globally recognized) major waves, including 1,462 (8%) sequences from 36 non-VOC/non-VBM until 5/2021; 10,565 (61%) sequences from 8 VBM between 5/2021-12/2021, most commonly Delta; and 5,313 (31%) sequences from the VOC Omicron from 12/2021 onwards. Genomic analyses demonstrated 71 Delta and 44 Omicron sub-lineages, with occurrence of variant-defining mutations in other variants. CONCLUSION: Statewide SARS-CoV-2 genomic surveillance allows for continued characterization of circulating variants and monitoring of viral evolution, which inform the local health force and guide public health on mitigation efforts against COVID-19.


Тема - темы
COVID-19 , SARS-CoV-2 , COVID-19/epidemiology , Genome, Viral , Humans , Rhode Island/epidemiology , SARS-CoV-2/genetics
7.
Prev Chronic Dis ; 19: E34, 2022 06 30.
Статья в английский | MEDLINE | ID: covidwho-1912043

Реферат

INTRODUCTION: As of November 2021, older adults (aged ≥65 y) accounted for 81% of all deaths from COVID-19 in the US. Chronic lung diseases increase the risk for severe COVID-19 illness and death. The aim of this research was to examine the association between town-level rates of asthma and chronic obstructive pulmonary disease (COPD) and deaths from COVID-19 in 208 towns in Connecticut and Rhode Island. METHODS: We conducted a multistep analysis to examine the association between town-level chronic lung conditions and death from COVID-19. Pairwise correlations were estimated and bivariate maps were created to assess the relationship between COVID-19 deaths per 100,000 people and 1) asthma prevalence and 2) COPD prevalence among adults aged 65 years or older. We used multiple linear regression models to examine whether chronic lung conditions and other town-level factors were associated with COVID-19 death rates in Connecticut and Rhode Island. RESULTS: Initial bivariate correlation and mapping analyses suggested positive correlations between asthma and COPD prevalence and COVID-19 death rates. However, after controlling for town-level factors associated with chronic lung conditions and COVID-19 death rates, multiple linear regression models did not support an association, but town-level factors (African American race and Hispanic ethnicity, age ≥65 y, and low educational attainment) were significant predictors of COVID-19 death rates. CONCLUSION: We found significant associations between town-level factors and COVID-19, adding to the current understanding of the impact of social determinants of health on outcomes.


Тема - темы
Asthma , COVID-19 , Pulmonary Disease, Chronic Obstructive , Aged , Asthma/epidemiology , COVID-19/epidemiology , Cities , Connecticut/epidemiology , Humans , Lung , Prevalence , Pulmonary Disease, Chronic Obstructive/epidemiology , Rhode Island/epidemiology
8.
PLoS One ; 17(6): e0268587, 2022.
Статья в английский | MEDLINE | ID: covidwho-1875092

Реферат

BACKGROUND: Vaccines are effective in preventing Coronavirus Disease 2019 (COVID-19). Vaccine hesitancy defined as delay of acceptance or refusal of the vaccine is a major barrier to effective implementation. METHODS: Participants were recruited statewide through an English and Spanish social media marketing campaign conducted by a local news station during a one-month period as vaccines were becoming available in Rhode Island (from December 21, 2020 to January 22, 2021). Participants completed an online survey about COVID-19 vaccines and vaccine hesitancy with constructs and items adopted from the Health Belief Model. RESULTS: A total of 2,007 individuals completed the survey. Eight percent (n = 161) reported vaccine hesitancy. The sample had a median age of 58 years (interquartile range [IQR]: 45, 67), were majority female (78%), White (96%), Non-Hispanic (94%), employed (58%), and reported an annual individual income of $50,000 (59%). COVID-19 vaccine hesitancy was associated with attitudes and behaviors related to COVID-19. A one unit increase in concern about COVID-19 was associated with a 69% (Adjusted Odds Ratio: 0.31, 95% CI: 0.26-0.37) decrease in vaccine hesitancy. A one-level increase in the likelihood of getting influenza vaccine was associated with a 55% (AOR: 0.45 95% CI: 0.41-0.50) decrease in vaccine hesitancy. CONCLUSIONS: COVID-19 vaccine hesitancy was relatively low in a state-wide survey in Rhode Island. Future research is needed to better understand and tailor messaging related to vaccine hesitancy.


Тема - темы
COVID-19 , Influenza Vaccines , Urogenital Abnormalities , COVID-19/epidemiology , COVID-19/prevention & control , COVID-19 Vaccines , Female , Humans , Middle Aged , Patient Acceptance of Health Care , Rhode Island/epidemiology , Vaccination Hesitancy
9.
J Health Care Poor Underserved ; 33(2): 857-869, 2022.
Статья в английский | MEDLINE | ID: covidwho-1846905

Реферат

From March-June 2020, Rhode Island utilized a 209-room hotel as a quarantine/isolation (Q/I) facility for COVID-positive individuals experiencing homelessness or housing insecurity. This qualitative study used semi-structured interviews to explore experiences of key stakeholders in designing and implementing the intervention. Four major themes emerged from the data analysis: 1) the isolative nature of Q/I housing tended to negatively affect residents' mental health, 2) the addition of medical oversight was a key positive development for the intervention, 3) the security presence involved in the response tended to exacerbate residents' mental health challenges, and 4) COVID-19 and this Q/I response highlighted homelessness itself as a public health crisis that must be addressed. Findings from this study may be useful for informing ongoing COVID-19 and future epidemic/pandemic responses, particularly with respect to addressing the needs of people experiencing homelessness.


Тема - темы
COVID-19 , Ill-Housed Persons , COVID-19/epidemiology , Ill-Housed Persons/psychology , Housing , Housing Instability , Humans , Rhode Island/epidemiology , Social Problems
12.
Int J Drug Policy ; 103: 103626, 2022 05.
Статья в английский | MEDLINE | ID: covidwho-1693691

Реферат

BACKGROUND: The COVID-19 pandemic has greatly exacerbated the United States' overdose crisis. However, the overlapping impacts of COVID-19 and the overdose crisis have not been experienced equally, with unstably housed people who use drugs (PWUD) disproportionately impacted. Amid these changes, there is a need to understand how risk is experienced and managed among unstably housed PWUD to address health and social needs more effectively. METHODS: This project draws on ethnographic research conducted from June 2020 to April 2021 in Rhode Island. Data include 39 in-depth interviews with unstably housed PWUD and approximately 50 h of ethnographic fieldwork conducted alongside street-based outreach workers. RESULTS: COVID-19 risks were primarily contextualized in relation to participants' prior experiences of overdose events and adverse health outcomes. However, participants had varying levels of risk tolerance that were managed in ways that allowed them to reassert control and agency within the uncertainty of overlapping public health crises. Given participants' level of structural vulnerabilities, COVID-19 risk was managed alongside meeting their basic needs to survive. CONCLUSIONS: Findings demonstrate how COVID-related public health measures (e.g., stay-at-home orders, service closures) reinforced participants' structural vulnerabilities in ways that increased their risk of health and social harms. Implementing and scaling up programs that meet the basic needs of individuals, including permanent housing, social supports, and overdose prevention interventions (e.g., supervised consumption sites) is critically needed to address intersecting risks faced by unstably housed PWUD.


Тема - темы
COVID-19 , Drug Overdose , Drug Overdose/epidemiology , Drug Overdose/prevention & control , Housing , Humans , Negotiating , Pandemics , Rhode Island/epidemiology
13.
BMC Infect Dis ; 21(1): 871, 2021 Aug 25.
Статья в английский | MEDLINE | ID: covidwho-1477269

Реферат

BACKGROUND: Epidemic projections and public health policies addressing Coronavirus disease (COVID)-19 have been implemented without data reporting on the seroconversion of the population since scalable antibody testing has only recently become available. METHODS: We measured the percentage of severe acute respiratory syndrome- Coronavirus-2 (SARS-CoV-2) seropositive individuals from 2008 blood donors drawn in the state of Rhode Island (RI). We utilized multiple antibody testing platforms, including lateral flow immunoassays (LFAs), enzyme-linked immunosorbent assays (ELISAs) and high throughput serological assays (HTSAs). To estimate seroprevalence, we utilized the Bayesian statistical method to adjust for sensitivity and specificity of the commercial tests used. RESULTS: We report than an estimated seropositive rate of RI blood donors of approximately 0.6% existed in April-May of 2020. Daily new case rates peaked in RI in late April 2020. We found HTSAs and LFAs were positively correlated with ELISA assays to detect antibodies specific to SARS-CoV-2 in blood donors. CONCLUSIONS: These data imply that seroconversion, and thus infection, is likely not widespread within this population. We conclude that IgG LFAs and HTSAs are suitable to conduct seroprevalence assays in random populations. More studies will be needed using validated serological tests to improve the precision and report the kinetic progression of seroprevalence estimates.


Тема - темы
Antibodies, Viral/blood , Blood Donors , COVID-19/epidemiology , SARS-CoV-2 , Bayes Theorem , Humans , Rhode Island/epidemiology , Seroepidemiologic Studies
14.
Child Obes ; 17(S1): S11-S21, 2021 09.
Статья в английский | MEDLINE | ID: covidwho-1442994

Реферат

Background: Overweight and obesity in children is a public health crisis in the United States. Although evidence-based interventions have been developed, such programs are difficult to access. Dissemination of evidence-based pediatric weight management interventions (PWMIs) to families from diverse low-income communities is the primary objective of the CDC Childhood Obesity Research Demonstration (CORD) projects. Methods: The goal of the Rhode Island CORD 3.0 project is to adapt the evidence-based PWMI, JOIN for ME, for delivery among diverse families from low-income backgrounds and to test it in a hybrid effectiveness-implementation trial design in which the aims are to examine implementation and patient-centered outcomes. Children between the ages of 6 and 12 years with BMI ≥85th percentile and a caregiver will be recruited through two settings, a federally qualified health center, which serves as a patient-centered medical home, or low-income housing. Dyads will receive a remotely delivered group-based intervention that is 10 months in duration and includes 16 weekly sessions, followed by 4 biweekly and 4 monthly meetings. Assessments of child and caregiver weight status and child health-related quality of life will be conducted at baseline, and at 4 and 10 months after the start of intervention. Implementation outcomes assessing intervention acceptability, adoption, feasibility, fidelity, and penetration/reach will be collected to inform subsequent dissemination. Conclusions: If the adapted version of the JOIN for ME intervention can be successfully implemented and is shown to be effective, this project will provide a model for a scalable PWMI for families from low-income backgrounds. ClinicalTrials.gov no. NCT04647760.


Тема - темы
Pediatric Obesity , Centers for Disease Control and Prevention, U.S. , Child , Health Promotion , Humans , Pediatric Obesity/epidemiology , Pediatric Obesity/prevention & control , Quality of Life , Rhode Island/epidemiology , United States
15.
JAMA Netw Open ; 4(9): e2125538, 2021 09 01.
Статья в английский | MEDLINE | ID: covidwho-1414845

Реферат

Importance: The rate of deaths from overdose has increased during the COVID-19 pandemic, and recent US overdose mortality rates have been markedly high. However, scant data are available on the causes of this increase or subpopulations at elevated risk. Objective: To evaluate the rates and characteristics of deaths from drug overdose before vs during the COVID-19 pandemic. Design, Setting, and Participants: This retrospective, population-based cohort study used data from 4 statewide databases linked at the person level via the Rhode Island Data Ecosystem on adults with deaths due to overdose in Rhode Island from January 1 to August 31, 2019, and January 1 to August 31, 2020. Main Outcomes and Measures: The rates of unintentional deaths from drug-related overdose during the 2019 and 2020 observation periods overall and by sociodemographic characteristics, drugs contributing to the cause of death, location of death, and socioeconomic factors were evaluated. In subgroup analyses restricted to Medicaid beneficiaries (n = 271), the proportions of deaths from overdose by behavioral health treatment and diagnosis claims in the year before death were also examined. Results: A total of 470 adults who died of drug overdose were included in the analysis (353 men [75%]; mean [SD] age, 43.5 [12.1] years). The rate of deaths from overdose in Rhode Island increased 28.1%, from 29.2 per 100 000 person-years in 2019 to 37.4 per 100 000 person-years in 2020 (P = .009). Compared with 2019, rates of deaths due to overdose during 2020 were higher among men (43.2 vs 59.2 per 100 000 person-years; P = .003), non-Hispanic White individuals (31.0 vs 42.0 per 100 000 person-years; P = .005), single individuals (54.8 vs 70.4 per 100 000 person-years; P = .04), deaths involving synthetic opioids (20.8 vs 28.3 per 100 000 person-years; P = .005), and deaths occurring in a personal residence (13.2 vs 19.7 per 100 000 person-years; P = .003). A decrease in the proportion of deaths from overdose involving heroin (11 of 206 [5%] vs <2% [exact value suppressed]; P = .02) and an increase among persons experiencing job loss (16 of 206 [8%] vs 41 of 264 [16%]; P = .01) from 2019 to 2020 were observed. Among individuals who died of overdose and were Medicaid beneficiaries, the proportions of those aged 50 to 59 years with anxiety (11 of 121 [9%] vs 29 of 150 [19%]; P = .03), men with depression (27 of 121 [22%] vs 57 of 150 [38%]; P = .008), and men with anxiety (28 of 121 [23%] vs 55 of 150 [37%]; P = .02) increased during 2020 compared with 2019. Conclusions and Relevance: In this cohort study, during the first 8 months of 2020, the rate of deaths from overdose increased in Rhode Island compared with the same period in 2019, and several emerging characteristics of deaths from drug overdose during the first year of the COVID-19 pandemic were identified. These findings may inform interventions that address macroenvironmental changes associated with the pandemic.


Тема - темы
COVID-19 , Drug Overdose/mortality , Adult , Cohort Studies , Drug Overdose/epidemiology , Female , Humans , Male , Middle Aged , Quarantine/psychology , Quarantine/statistics & numerical data , Retrospective Studies , Rhode Island/epidemiology
18.
Emerg Infect Dis ; 27(9): 2445-2449, 2021 09.
Статья в английский | MEDLINE | ID: covidwho-1369630

Реферат

We developed a testing program for severe acute respiratory syndrome coronavirus 2 in an urban Latinx neighborhood in Providence, Rhode Island, USA. Approximately 11% of Latinx participants (n = 180) tested positive. Culturally tailored, community-based programs that reduce barriers to testing help identify persons at highest risk for coronavirus disease.


Тема - темы
COVID-19 , SARS-CoV-2 , COVID-19 Testing , Humans , Medically Underserved Area , Rhode Island/epidemiology
20.
BMC Med ; 19(1): 162, 2021 07 13.
Статья в английский | MEDLINE | ID: covidwho-1308097

Реферат

BACKGROUND: When three SARS-CoV-2 vaccines came to market in Europe and North America in the winter of 2020-2021, distribution networks were in a race against a major epidemiological wave of SARS-CoV-2 that began in autumn 2020. Rapid and optimized vaccine allocation was critical during this time. With 95% efficacy reported for two of the vaccines, near-term public health needs likely require that distribution is prioritized to the elderly, health care workers, teachers, essential workers, and individuals with comorbidities putting them at risk of severe clinical progression. METHODS: We evaluate various age-based vaccine distributions using a validated mathematical model based on current epidemic trends in Rhode Island and Massachusetts. We allow for varying waning efficacy of vaccine-induced immunity, as this has not yet been measured. We account for the fact that known COVID-positive cases may not have been included in the first round of vaccination. And, we account for age-specific immune patterns in both states at the time of the start of the vaccination program. Our analysis assumes that health systems during winter 2020-2021 had equal staffing and capacity to previous phases of the SARS-CoV-2 epidemic; we do not consider the effects of understaffed hospitals or unvaccinated medical staff. RESULTS: We find that allocating a substantial proportion (>75%) of vaccine supply to individuals over the age of 70 is optimal in terms of reducing total cumulative deaths through mid-2021. This result is robust to different profiles of waning vaccine efficacy and several different assumptions on age mixing during and after lockdown periods. As we do not explicitly model other high-mortality groups, our results on vaccine allocation apply to all groups at high risk of mortality if infected. A median of 327 to 340 deaths can be avoided in Rhode Island (3444 to 3647 in Massachusetts) by optimizing vaccine allocation and vaccinating the elderly first. The vaccination campaigns are expected to save a median of 639 to 664 lives in Rhode Island and 6278 to 6618 lives in Massachusetts in the first half of 2021 when compared to a scenario with no vaccine. A policy of vaccinating only seronegative individuals avoids redundancy in vaccine use on individuals that may already be immune, and would result in 0.5% to 1% reductions in cumulative hospitalizations and deaths by mid-2021. CONCLUSIONS: Assuming high vaccination coverage (>28%) and no major changes in distancing, masking, gathering size, hygiene guidelines, and virus transmissibility between 1 January 2021 and 1 July 2021 a combination of vaccination and population immunity may lead to low or near-zero transmission levels by the second quarter of 2021.


Тема - темы
COVID-19 Vaccines/supply & distribution , COVID-19 , Communicable Disease Control/organization & administration , Health Care Rationing/organization & administration , Resource Allocation/organization & administration , Vaccination Coverage , Vaccination , Age Factors , COVID-19/epidemiology , COVID-19/prevention & control , Humans , Incidence , Massachusetts/epidemiology , Models, Theoretical , Public Health/methods , Public Health/standards , Rhode Island/epidemiology , SARS-CoV-2 , Vaccination/methods , Vaccination/statistics & numerical data , Vaccination Coverage/statistics & numerical data , Vaccination Coverage/supply & distribution
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