Elimination of hepatitis C virus (HCV) among short-term sentenced prison populations will require improved access to HCV care and specific strategies dedicated to linkage upon release. Prison-based HCV care has lagged behind HIV care, but much can be learned from HIV studies. We performed a systematic review to identify individual-, provider-and system-level barriers and facilitators to linkage to HCV and HIV care among released inmates. We searched MEDLINE, Scopus, the Cochrane Central Register of Controlled Trials and Embase, and performed a grey literature search for English articles published up to November 2018. Two searches were conducted, one each for HCV and HIV; 323 and 684 unique articles were identified of which two and 27 studies were included, respectively. Facilitators to linkage to HCV care included social support, having an existing primary care provider, and receipt of methadone, whereas barriers included a perceived lack of healthcare information and a lack of specialized linkage to care programs. The principal facilitators to linkage to HIV care included social support, treatment for substance use and mental illness, the provision of education, case management, discharge planning and transportation assistance. Important barriers were unstable housing, age <30 years, HIVrelated stigma, poor providers' attitudes and the lack of post-release reintegration assistance. While HCV care-specific studies are needed, much can be learned from linkage to HIV care studies. Ultimately, a multi-pronged approach, addressing several individual-level social determinants of health, and key provider-and system-level barriers may be an appropriate starting point for the development of HCV linkage to care strategies. K E Y W O R D Shepatitis C virus (HCV), HIV, linkage to care, people in prison, systematic literature review
Background People in prison are at increased risk of SARS-CoV-2 infection due to overcrowding and challenges in implementing infection prevention and control measures. We examined the seroprevalence of SARS-CoV-2 and associated carceral risk factors among incarcerated adult men in Quebec, Canada. Methods We conducted a cross-sectional seroprevalence study in 2021 in three provincial prisons, representing 45% of Quebec’s incarcerated male provincial population. The primary outcome was SARS-CoV-2 antibody seropositivity (Roche Elecsys® serology test). Participants completed self-administered questionnaires on sociodemographic, clinical, and carceral characteristics. The association of carceral variables with SARS-CoV-2 seropositivity was examined using Poisson regression models with robust standard errors. Crude and adjusted prevalence ratios (aPR) with 95% confidence intervals (95%CI) were calculated. Results Between January 19 and September 15, 2021, 246 of 1,100 (22%) recruited individuals tested positive across three prisons (range 15–27%). Seropositivity increased with time spent in prison since March 2020 (aPR 2.17, 95%CI 1.53–3.07 for “all” vs. “little time”), employment during incarceration (aPR 1.64, 95%CI 1.28–2.11 vs. not), shared meal consumption during incarceration (“with cellmates”: aPR 1.46, 95%CI 1.08–1.97 vs. “alone”; “with sector”: aPR 1.34, 95%CI 1.03–1.74 vs. “alone”), and incarceration post-prison outbreak (aPR 2.32, 95% CI 1.69–3.18 vs. “pre-outbreak”). Conclusions The seroprevalence of SARS-CoV-2 among incarcerated individuals was high and varied between prisons. Several carceral factors were associated with seropositivity, underscoring the importance of decarceration and occupational safety measures, individual meal consumption, and enhanced infection prevention and control measures including vaccination during incarceration.
BackgroundAedes japonicus was first documented in Ontario, Canada, in 2001. The objective of this study was to determine the effect of Ae. japonicus establishment on the abundance of other mosquitoes in the Greater Golden Horseshoe (GGH) region of Ontario.MethodsAdult mosquito data from the Ontario West Nile virus surveillance program were used. Descriptive analyses, linear trends and distribution maps of average trap count per month for six mosquito species of interest were produced. Multivariable negative binomial regression models were constructed to 1) test whether the invasion of Ae. japonicus affected the abundance of other mosquitoes by comparing the time period before Ae. japonicus was identified in an area (pre-detection), to after it was first identified (detection), and subsequently (establishment), and 2) identify the variables that explain the abundance of the various mosquito species.ResultsThe monthly seasonal average (May–October) of Ae. japonicus per trap night increased from 2002 to 2016, peaking in September, when the average of most other mosquitoes decrease. There were increased numbers of Ae. triseriatus/hendersoni (Odds Ratio (OR): 1.40, 95% Confidence Interval (CI): 1.02–1.94) and decreased numbers of Coquillettidia perturbans (OR: 0.43, 95% CI: 0.26–0.73) in the detection period, compared to the pre-detection period. Additionally, there was a decrease in Cx. pipiens/restuans (OR: 0.87, 95% CI: 0.76–0.99) and Cq. perturbans (OR: 0.68, 95% CI: 0.49–0.94) in the establishment period, compared to the pre-detection period. None of the most parsimonious explanatory models included the period of the establishment of Ae. japonicus.ConclusionsThere is no evidence that the introduction of Ae. japonicus significantly reduced populations of Ae. triseriatus/hendersoni, Cx. pipiens/restuans or An. punctipennis in the GGH. While further research is needed to understand the impact of the Ae. japonicus invasion on other mosquito species, our work indicates that, on a regional scale, little impact has been noted.
Background: Hepatitis C virus (HCV) microelimination efforts must target people in prison; however, although some inmates may qualify for treatment in provincial prisons, it may not be routinely provided. Our aim was to characterize the cascade of HCV care in Quebec's largest provincial prison. Methods: We conducted a retrospective study of all HCV-related laboratory tests requested at the Établissement de détention de Montréal (men's prison with on-demand screening), between July 1, 2017, and June 30, 2018. We defined 8 HCV care cascade steps: 1) total sentenced inmates, 2) screened for HCV (via HCV antibody [HCV Ab]), 3) HCV Ab positive, 4) tested for HCV RNA, 5) HCV RNA positive, 6) linked to care, 7) HCV treatment initiated and 8) achieved sustained virologic response. We measured proportions of inmates at each step using denominator-numerator linkage. We also calculated the proportion screened among inmates with a sentence duration of at least 1 month, during which time screening should be feasible. Results: Of the 4931 sentenced inmates, 344 (7%) were screened for HCV, of whom 38 (11%) were HCV Ab positive. Thirty-five (92%) of the 38 received HCV RNA testing, which showed positivity in 16 (46%). Ten (62%) of the 16 inmates were linked to care; treatment was initiated in 3 (30%), 2 of whom (67%) achieved a sustained virologic response. Among inmates with a sentence duration of at least 1 month (n = 1972), the proportion screened increased to 17%. Interpretation: A small proportion (7%) of men at a Canadian provincial prison with on-demand HCV testing were screened, and rates of treatment initiation were low in the absence of formal HCV cure pathways. To eliminate HCV in this subpopulation, opt-out HCV testing should be considered.
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