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Well-being is a term commonly used in discussions of sexuality, reproduction and sexual health, yet the meaning of the term is elusive and often disregarded. As an example, the 'well-being' component of sexual and reproductive health and well-being is often not explicitly addressed in research, policy and programme development. The goal of this paper is to explore the meanings of sexual and reproductive well-being among young people in Fiji and their implications. Fourteen focus group discussions with young people aged 15 to 19 years and 40 key informant interviews were held in four Fijian settings. We found both different and shared meanings of sexual and reproductive well-being and suggest areas in which it can be strengthened in Fiji.
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Saúde do Adolescente , Atitude Frente a Saúde , Saúde Reprodutiva , Saúde Sexual , Adolescente , Feminino , Fiji , Grupos Focais , Humanos , Masculino , Pesquisa Qualitativa , Adulto JovemRESUMO
BACKGROUND: The duration of antibody response following reduced human papillomavirus (HPV) vaccine doses has not been determined. We compared the antibody responses in girls previously vaccinated with zero, 1, 2, or 3 doses of quadrivalent HPV vaccine (4vHPV; Gardasil, Merck) 6 years previously. METHODS: A prospective cohort study was undertaken in 200 Fijian girls 15-19 years of age. Approximately equal numbers of girls from 2 main ethnic groups (Fijians of Indian descent [FID] and Indigenous Fijians [iTaukei]) in Fiji were recruited for each dosage groups. Blood was drawn before and 28 days following a single dose of bivalent HPV vaccine (2vHPV; Cervarix, GlaxoSmithKline). We measured neutralizing antibodies (NAb) against HPV-6, -11, -16, and -18 using the pseudovirion-based neutralization assay. RESULTS: After 6 years (before a dose of 2vHPV was given), the geometric mean NAb titers for all 4 HPV types were not statistically different between 2-dose (2D) and 3-dose (3D) recipients: HPV-6 (3D: 2216 [95% confidence interval {CI},1695-2896]; 2D: 1476 [95% CI, 1019-2137]; P = .07), HPV-11 (3D: 4431 [95% CI, 3396-5783]; 2D: 2951 [95% CI, 1984-4390]; P = .09), HPV-16 (3D: 3373 [95% CI, 2511-4530]; 2D: 3275 [95% CI, 2452-4373]; P = .89); HPV-18 (3D: 628 [95% CI: 445-888]; 2D: 606 [95% CI, 462-862]; P = .89), and were higher in FID than iTaukei girls. Although 1-dose recipients had significantly lower NAb titers than 2-/3-dose recipients, their NAb titers were 5- to 30-fold higher than unvaccinated girls. Post-2vHPV NAb titers against HPV-16 and -18 were not statistically different between girls who received 1, 2, or 3 doses of 4vHPV previously. CONCLUSIONS: Two doses of 4vHPV provide similar NAb titers as 3 doses for 6 years, although the clinical significance is unknown. A single dose of 4vHPV elicits antibodies that persisted for at least 6 years, and induced immune memory, suggesting possible protection against HPV vaccine types after a single dose of 4vHPV.
Assuntos
Anticorpos Antivirais/imunologia , Vacina Quadrivalente Recombinante contra HPV tipos 6, 11, 16, 18/imunologia , Papillomaviridae/imunologia , Infecções por Papillomavirus/prevenção & controle , Vacinas contra Papillomavirus/imunologia , Adolescente , Anticorpos Neutralizantes , Anticorpos Antivirais/sangue , Criança , Relação Dose-Resposta Imunológica , Feminino , Fiji/epidemiologia , Vacina Quadrivalente Recombinante contra HPV tipos 6, 11, 16, 18/administração & dosagem , Humanos , Imunização Secundária , Infecções por Papillomavirus/epidemiologia , Vacinas contra Papillomavirus/administração & dosagem , Estudos Prospectivos , Fatores SocioeconômicosRESUMO
In Fiji, 90% of the population has access to basic sanitation; however, there are still persistent health risks from endemic faecal-oral diseases such as typhoid fever. There is a need to assess the contribution of existing sanitation facilities in the faecal pathogen transmission pathway. This study was conducted as part of a larger planetary health study across 29 rural communities within five river catchments. This specific research aimed to characterise latrine front-ends, both infrastructure and usage behaviour, and to assess the faecal contamination levels on various frequently contacted latrine surfaces in rural Fiji. A sanitation survey, along with observation and latrine swab sampling, was conducted in households over three phases: baseline (n = 311) (Aug-Dec 2019), endline (n = 262) (Jun-Sep 2022) and an in-depth front-end study (n = 12) (Oct-Nov 2022). Of 311 households, almost all had pedestal-type latrines, predominately cistern-flush (83%), followed by pour-flush (13%), and then hole-type (pit) latrines (4%). Washable latrine floors had significantly higher E. coli densities (6.7 × 102 CFU/25 cm2) compared to non-washable floors (1.3 × 102 CFU/25 cm2) (p = 0.05), despite washable floors indicating improved latrines. The in-depth front-end analysis found that moist latrine surfaces had significantly elevated E. coli densities (1.2 × 103 CFU/25 cm2) compared to the dry ones (14.3 CFU/25 cm2) (p < 0.001), highlighting the importance of maintaining dry latrine surfaces. Latrine floors and mid-walls were the most frequently contaminated surfaces, emphasising the need to clean and disinfect these surfaces. Only 46% of the households reported always using soap for handwashing after defecation, exacerbating the risk of transmitting faecal pathogens. This study highlights that latrine cleanliness and hygiene are as crucial as latrine infrastructures for the effective disruption of faecal pathogens transmission during latrine use.
Assuntos
Escherichia coli , Fezes , População Rural , Saneamento , Banheiros , Fiji , Fezes/microbiologia , Humanos , Características da FamíliaRESUMO
Background: In 2008/9, Fiji vaccinated >30,000 girls aged 9-12 years with the quadrivalent human papillomavirus (4vHPV) vaccine coverage for at least one dose was >60% (one dose only was 14%, two dose only was 13%, three doses was 35%). We calculated vaccine effectiveness (VE) of one, two and three doses of 4vHPV against oncogenic HPV genotypes 16/18, eight years following vaccination. Methods: A retrospective cohort study was undertaken (2015-2019) in pregnant women ≤23 years old, eligible to receive 4vHPV in 2008/9, with confirmed vaccination status. The study was restricted to pregnant women due to the cultural sensitivity of asking about sexual behavior in Fiji. For each participant a clinician collected a questionnaire, vaginal swab and genital warts examination, a median eight (range 6-11) years post vaccination. HPV DNA was detected by molecular methods. Adjusted VE (aVE) against the detection of vaccine HPV genotypes (16/18), the comparison group of non-vaccine genotypes (31/33/35/39/45/51/52/56/58/59/66/68), and genital warts were calculated. Covariates included in the adjusted model were: age, ethnicity and smoking, according to univariate association with any HPV detection. Findings: Among 822 participants the prevalence of HPV 16/18 in the unvaccinated, one, two and three-dose groups were 13.3% (50/376), 2.5% (4/158), 0% (0/99) and 1.6% (3/189), respectively; and for the non-vaccine high-risk genotypes, the detection rate was similar across dosage groups (33.2%-40.4%, p = 0.321). The aVE against HPV 16/18 for one, two and three doses were 81% (95% CI; 48-93%), 100% (95% CI; 100-100%), and 89% (95% CI; 64-96%), respectively. Prevalence of HPV 16/18 was lower among women with longer time since vaccination. Interpretations: A single dose 4vHPV vaccine is highly effective against HPV genotypes 16 and 18 eight years following vaccination. Our results provide the longest duration of protection for reduced dose 4vHPV schedule in a low- or middle-income country in the Western Pacific region. Funding: This study was supported by the Bill & Melinda Gates Foundation and the Department of Foreign Affairs and Trade of the Australian Government and Fiji Health Sector Support Program (FHSSP). FHSSP is implemented by Abt JTA on behalf of the Australian Government.
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Scabies, impetigo, and other skin and soft tissue infections (SSTIs) are highly prevalent in many tropical, low-middle income settings, but information regarding their burden of disease is scarce. We conducted surveillance of presentations of scabies and SSTIs, including impetigo, abscesses, cellulitis, and severe SSTI, to primary health facilities in Fiji. We established a monthly reporting system over the course of 50 weeks (July 2018-June 2019) for scabies and SSTIs at all 42 public primary health facilities in the Northern Division of Fiji (population, ≈131,914). For each case, information was collected regarding demographics, diagnosis, and treatment. There were 13,736 individual primary healthcare presentations with scabies, SSTI, or both (108.3 presentations per 1000 person-years; 95% confidence interval [CI], 106.6-110 presentations). The incidence was higher for males than for females (incidence rate ratio [IRR], 1.15; 95% CI, 1.11-1.19). Children younger than 5 years had the highest incidence among all age groups (339.1 per 1000 person-years). The incidence was higher among the iTaukei (indigenous) population (159.9 per 1000 person-years) compared with Fijians of Indian descent (30.1 per 1000 person-years; IRR, 5.32; 95% CI, 5.03-5.61). Abscess was the condition with the highest incidence (63.5 per 1,000 person-years), followed by scabies (28.7 per 1,000 person-years) and impetigo (21.6 per 1,000 person-years). Scabies and SSTIs impose a substantial burden in Fiji and represent a high incidence of primary health presentations in this population. The incidence in low-middle income settings is up to 10-times higher than that in high-income settings. New public health strategies and further research are needed to address these conditions.
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Atenção Primária à Saúde/estatística & dados numéricos , Atenção Primária à Saúde/tendências , Escabiose/epidemiologia , Dermatopatias Bacterianas/epidemiologia , Infecções dos Tecidos Moles/epidemiologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Pré-Escolar , Feminino , Fiji/epidemiologia , Previsões , Humanos , Incidência , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Vigilância da População , Prevalência , Estudos Prospectivos , Adulto JovemRESUMO
BACKGROUND: In October, 2012, Fiji introduced routine infant immunisation with a ten-valent pneumococcal conjugate vaccine (PCV10) using three primary doses and no booster dose (3â+â0 schedule). Data are scarce for the effect of PCV in the Asia and Pacific region. We aimed to evaluate the effect of PCV10 on pneumonia hospital admissions in children younger than 5 years and adults aged 55 years and older in Fiji, 5 years after vaccine introduction. METHODS: We did a time-series analysis assessing changes in pneumonia hospital admissions at three public tertiary hospitals in Fiji. Four pneumonia outcomes were evaluated: all-cause pneumonia, severe or very severe pneumonia, hypoxic pneumonia, and radiological pneumonia. Participants aged younger than 2 months, 2-23 months, 24-59 months, and 55 years and older were included. Data were extracted from the national hospital admission database according to International Classification of Diseases-tenth revision codes J10·0-18·9, J21, and J22 for all-cause pneumonia. Medical records and chest radiographs were reviewed for the main tertiary hospital to reclassify hospital admissions in children aged younger than 2 years as severe or very severe, hypoxic, or radiological pneumonia as per WHO definitions. Time-series analyses were done using the synthetic control method and multiple imputation to adjust for changes in hospital usage and missing data. FINDINGS: Between Jan 1, 2007, and Dec 31, 2017, the ratio of observed cases to expected cases for all-cause pneumonia was 0·92 (95% CI 0·70-1·36) for children aged younger than 2 months, 0·86 (0·74-1·00) for children aged 2-23 months, 0·74 (0·62-0·87) for children aged 24-59 months, and 1·90 (1·53-2·31) in adults aged 55 years and older, 5 years after PCV10 introduction. These findings indicate a reduction in all-cause pneumonia among children aged 24-59 months and an increase in adults aged 55 years and older, but no change among children aged younger than 2 months. Among children aged 2-23 months, we observed declines of 21% (95% CI 5-35) for severe or very severe pneumonia, 46% (33-56) for hypoxic pneumonia, and 25% (9-38) for radiological pneumonia. Mortality reduced by 39% (95% CI 5-62) for all-cause pneumonia, bronchiolitis, and asthma admissions in children aged 2-23 months. INTERPRETATION: The introduction of PCV10 was associated with a decrease in pneumonia hospital admissions in children aged 2-59 months. This is the first study in a middle-income country in the Asia and Pacific region to show the effect of PCV on pneumonia, filling gaps in the literature on the effects of PCV10 and 3â+â0 schedules. These data support decision making on PCV introduction for other low-income and middle-income countries in the region. FUNDING: Department of Foreign Affairs and Trade of the Australian Government.
Assuntos
Hospitalização/estatística & dados numéricos , Vacinas Pneumocócicas/uso terapêutico , Pneumonia Pneumocócica/prevenção & controle , Fatores Etários , Idoso , Pré-Escolar , Feminino , Fiji , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-IdadeRESUMO
BACKGROUND: In 2012, Fiji became the first independent Pacific island country to introduce rotavirus vaccine. We describe the impact of rotavirus vaccine on all-cause diarrhoea admissions in all ages, and rotavirus diarrhoea in children <5 years of age. METHODS: An observational study was conducted retrospectively on all admissions to the public tertiary hospitals in Fiji (2007-2018) and prospectively on all rotavirus-positive diarrhoea admissions in children <5 years at two hospital sites (2006-2018, and 2010-2015), along with rotavirus diarrhoea outpatient presentations at one secondary public hospital (2010-2015). The impact of rotavirus vaccine was determined using incidence rate ratios (IRR) of all-cause diarrhoea admissions and rotavirus diarrhoea, comparing the pre-vaccine and post-vaccine periods. All-cause admissions were used as a control. Multiple imputation was used to impute missing stool samples. FINDINGS: All-cause diarrhoea admissions declined among all age groups except among infants ≤2 months old and adults ≥55 years. For children <5 years, all-cause diarrhoea admissions declined by 39% (IRR)=0â¢61, 95%CI; 0â¢57-0â¢65, p-value<0â¢001). There was an 81% (95%CI; 51-94%) reduction in mortality among all-cause diarrhoea admissions in children under <5 years. Rotavirus diarrhoea admissions at the largest hospital among children <5 years declined by 87% (IRR=0â¢13, 95%CI; 0â¢10-0â¢17, p-value<0â¢001). Among rotavirus diarrhoea outpatient presentations, the IRR was 0â¢39 (95%CI; 0â¢11, 1.21, p-value=0.077). INTERPRETATIONS: Morbidity and mortality due to rotavirus and all-cause diarrhoea in Fiji has declined in people aged 2 months to 54 years after the introduction of the RV vaccine. FUNDING: Supported by WHO and the Australian Government.
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This study describes predictors of pneumococcal nasopharyngeal carriage and density in Fiji. We used data from four annual (2012-2015) cross-sectional surveys, pre- and post-introduction of ten-valent pneumococcal conjugate vaccine (PCV10) in October 2012. Infants (5-8 weeks), toddlers (12-23 months), children (2-6 years), and their caregivers participated. Pneumococci were detected and quantified using lytA qPCR, with molecular serotyping by microarray. Logistic and quantile regression were used to determine predictors of pneumococcal carriage and density, respectively. There were 8,109 participants. Pneumococcal carriage was negatively associated with years post-PCV10 introduction (global P<0.001), and positively associated with indigenous iTaukei ethnicity (aOR 2.74 [95% CI 2.17-3.45] P<0.001); young age (infant, toddler, and child compared with caregiver participant groups) (global P<0.001); urban residence (aOR 1.45 [95% CI 1.30-2.57] P<0.001); living with ≥2 children <5 years of age (aOR 1.42 [95% CI 1.27-1.59] P<0.001); low family income (aOR 1.44 [95% CI 1.28-1.62] P<0.001); and upper respiratory tract infection (URTI) symptoms (aOR 1.77 [95% CI 1.57-2.01] P<0.001). Predictors were similar for PCV10 and non-PCV10 carriage, except PCV10 carriage was negatively associated with PCV10 vaccination (0.58 [95% CI 0.41-0.82] P = 0.002) and positively associated with exposure to household cigarette smoke (aOR 1.21 [95% CI 1.02-1.43] P = 0.031), while there was no association between years post-PCV10 introduction and non-PCV10 carriage. Pneumococcal density was positively associated with URTI symptoms (adjusted median difference 0.28 [95% CI 0.16, 0.40] P<0.001) and toddler and child, compared with caregiver, participant groups (global P = 0.008). Predictors were similar for PCV10 and non-PCV10 density, except infant, toddler, and child participant groups were not associated with PCV10 density. PCV10 introduction was associated with reduced the odds of overall and PCV10 pneumococcal carriage in Fiji. However, after adjustment iTaukei ethnicity was positively associated with pneumococcal carriage compared with Fijians of Indian Descent, despite similar PCV10 coverage rates.
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Portador Sadio/epidemiologia , Infecções Pneumocócicas/epidemiologia , Adolescente , Adulto , Fatores Etários , Portador Sadio/microbiologia , Criança , Pré-Escolar , Estudos Transversais , Feminino , Fiji/epidemiologia , Humanos , Lactente , Modelos Logísticos , Masculino , Infecções Pneumocócicas/etiologia , Infecções Pneumocócicas/microbiologia , Infecções Pneumocócicas/prevenção & controle , Vacinas Pneumocócicas/uso terapêutico , Fatores de Risco , Adulto JovemRESUMO
BACKGROUND: Pneumococcal carriage is a prerequisite for pneumococcal disease. Little is known about whether social contact frequency and intensity are associated with pneumococcal carriage. In Fiji, indigenous iTaukei have higher prevalence of pneumococcal carriage compared with Fijians of Indian Descent (FID). We hypothesised that contact differences may contribute to ethnic differences in pneumococcal carriage prevalence and density. METHODS: In 2015, young infants (5-8â¯weeks), toddlers (12-23â¯months), children (2-6â¯years), and caregivers from Suva and surrounding areas, participated in a cross-sectional survey (nâ¯=â¯2014), three years post pneumococcal conjugate vaccine introduction. Demographic and contact data, and nasopharyngeal swabs were collected. Pneumococci were detected, and quantified using quantitative real-time PCR, with molecular serotyping by microarray. Associations between ethnicity, contact, and pneumococcal carriage and density were estimated using multivariable generalised estimating equation regression models. RESULTS: iTaukei participants had larger household sizes, higher pneumococcal carriage rates, more contacts, and more frequent contacts of longer duration, compared with FID. The odds of vaccine-type carriage increased by 28% (95% CI 8-53%) Pâ¯<â¯0.01 in association with physical contact with 7-14â¯year old children. iTaukei ethnicity was associated with vaccine-type carriage (aOR) 1.73; 95% CI 1.06-2.82, Pâ¯=â¯0.03) and non-vaccine type carriage (aOR 5.98; 95% CI 4.47-8.00, Pâ¯<â¯0.01). Ethnicity and contact were not associated with pneumococcal density. CONCLUSIONS: iTaukei had greater frequency and intensity of contact compared with FID. Physical contact was associated with pneumococcal carriage. Observed differences in pneumococcal nasopharyngeal carriage prevalence between iTaukei and FID were not explained by differences in social contact patterns by ethnicity.
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Portador Sadio/epidemiologia , Infecções Pneumocócicas/epidemiologia , Vacinas Pneumocócicas/administração & dosagem , Streptococcus pneumoniae/isolamento & purificação , Adolescente , Adulto , Portador Sadio/imunologia , Portador Sadio/microbiologia , Criança , Pré-Escolar , Estudos Transversais , Etnicidade , Feminino , Fiji/epidemiologia , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Nasofaringe/microbiologia , Infecções Pneumocócicas/imunologia , Infecções Pneumocócicas/prevenção & controle , Prevalência , Sorotipagem , Streptococcus pneumoniae/imunologiaRESUMO
Importance: Pneumococcal nasopharyngeal carriage is a prerequisite for pneumococcal disease. The main transmission route is from toddlers, who commonly carry pneumococci. However, neonatal pneumococcal disease case reports suggest that vertical pneumococcal transmission may also occur. Objective: To describe and compare pneumococcal nasopharyngeal carriage and density by infant mode of delivery in young Fijian infants. Design, Setting, and Participants: Annual cross-sectional surveys were performed in Suva, Fiji, before the introduction of 10-valent pneumococcal conjugate vaccine (PCV10), from September 14 to December 20, 2012, and after PCV10 was introduced, from July 11 to November 19, 2013; July 15 to December 9, 2014; and August 13 to November 19, 2015. Caregivers of 2006 infants aged 5 to 8 weeks participated in the surveys. Statistical analysis was performed from May 24, 2018, to August 12, 2019. Exposures: Caregivers provided data on infant mode of delivery and demographics via interviewer-led survey. Main Outcomes and Measures: Pneumococci in swab samples were detected and quantified by lytA quantitative polymerase chain reaction with molecular serotyping by microarray. Pneumococci were categorized as PCV10 or non-PCV10 serotypes. Results: Of the 2006 infants (976 girls and 1030 boys; mean [SD] age, 6.1 [0.02] weeks]), 1742 (86.8%) were born vaginally and 264 were born by cesarean delivery. Infants delivered vaginally, compared with those born by cesarean delivery, had a higher prevalence of overall pneumococcal nasopharyngeal carriage (470 of 1722 [27.3%; 95% CI, 25.2%-29.4%] vs 47 of 260 [18.1%; 95% CI, 13.6%-23.3%]; P = .002), PCV10 carriage (113 of 1698 [6.7%; 95% CI, 5.5%-7.9%] vs 8 of 256 [3.1%; 95% CI, 1.4%-6.1%]; P = .03), and non-PCV10 carriage (355 of 1698 [20.9%; 95% CI, 19.0%-22.9%] vs 38 of 256 [14.8%; 95% CI, 10.7%-19.8%]; P = .02), and had higher median densities of overall pneumococci (4.9 log10 genome equivalents [GE]/mL [interquartile range, 4.8-5.0 log10 GE/mL] vs 4.5 log10 GE/mL [interquartile range, 4.1-4.6 log10 GE/mL]; P = .01) and non-PCV10 pneumococci (4.9 log10 GE/mL [interquartile range, 4.7-5.0 log10 GE/mL] vs 4.4 log10 GE/mL [interquartile range, 4.0-4.7 log10 GE/mL]; P = .01). Vaginal delivery was associated with overall (adjusted odds ratio, 1.57 [95% CI, 1.10-2.23]; P = .01) and non-PCV10 (adjusted odds ratio, 1.49 [95% CI, 1.01-2.20]; P = .04]) pneumococcal nasopharyngeal carriage. Vaginal delivery was not associated with PCV10 carriage (adjusted odds ratio, 1.67 [95% CI, 0.80-3.51]; P = .17). After adjustment, vaginal delivery was not associated with density. Conclusions and Relevance: Pneumococcal nasopharyngeal carriage prevalence and density were higher in infants delivered vaginally compared with those delivered by cesarean birth. After adjustment, vaginal delivery was associated with pneumococcal carriage. Differences in carriage by mode of delivery may be due to differential exposure to the vaginal microbiota during delivery and the effect of intrapartum antibiotics during cesarean delivery on the infant microbiome. Our findings also raise the hypothesis that vertical transmission may contribute to pneumococcal acquisition.
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Parto Obstétrico/efeitos adversos , Nasofaringe/microbiologia , Infecções Pneumocócicas/epidemiologia , Streptococcus pneumoniae/isolamento & purificação , Cesárea , Estudos Transversais , Feminino , Fiji/epidemiologia , Humanos , Lactente , Masculino , GravidezRESUMO
Introduction. An absolute lymphocyte count is commonly used as an alternative to a CD4 count to determine initiation of antiretroviral therapy for HIV-infected individuals in Fiji when a CD4 count is unavailable. Methods. We conducted a retrospective analysis of laboratory results of HIV-infected individuals registered at all HIV clinics in Fiji. Results. Paired absolute lymphocyte and CD4 counts were available for 101 HIV-infected individuals, and 96% had a CD4 count of ≤500 cells/mm(3). Correlation between the counts in individuals was poor (Spearman rank correlation r = 0.5). No absolute lymphocyte count could be determined in this population as a suitable surrogate for a CD4 count of either 350 cells/mm(3) or 500 cells/mm(3). The currently used absolute lymphocyte count of ≤2300 cells/µL had a positive predictive value of 87% but a negative predictive value of only 17% for a CD4 of ≤350 cells/mm(3) and if used as a surrogate for a CD4 of ≤500 cells/mm(3) it would result in all HIV-infected individuals receiving ART including those not yet eligible. Weight, CD4 count, and absolute lymphocyte count increased significantly at 3 months following ART initiation. Conclusions. Our findings do not support the use of absolute lymphocyte count to determine antiretroviral therapy initiation in Fiji.