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Prevalence of hepatitis B and hepatitis C infection from a population-based study in Southern India.
European Journal of Gastroenterology & Hepatology 2018 November
OBJECTIVES: This study aims to estimate the prevalence of hepatitis B (HBV) and C (HCV) in the population through field-screening camps conducted by Chennai Liver Foundation, in the southern state of Tamil Nadu, India. This is the largest population-based study from Tamil Nadu.
PATIENTS AND METHODS: A total of 75 camps were conducted across 14 districts of Tamil Nadu (2014-2017). Screening was done by rapid point-of-care assays (SD-bioline tests) and confirmed by enzyme-linked immunosorbent assay (Monolisa tests). Those tested negative were offered first dose of HBV vaccine. Positive patients with HBV count of more than 2000 IU/ml or HCV-RNA positive on quantitative analysis were treated.
RESULTS: A total of 18 589 people were screened, with HBV infection detected in 303 (prevalence 1.63%) and HCV infection in 56 (prevalence 0.3%), with significant variation among districts. Males contributed to about three-fourths of detected HBV [233/303 (77%)] or HCV [41/56 (73%)] infection. Screening detected a higher overall HBV/HCV infection rate in rural [203 (2.52%) infections in 8047 people] than in urban [156 (1.47%) infections in 10 542 people] areas (P<0.0001). Slum areas had a HBV prevalence of 5%. In a dialysis unit, all patients were found to have either HBV/HCV infection. A total of 162/303 (54%) people with HBV and 27/56 (48%) with HCV infection were treated, and 7704 people received the first dose of HBV vaccine.
CONCLUSION: The prevalence of HBV was 1.63% and HCV was 0.30% in Tamil Nadu. Three-fourths of HBV/HCV infected people were males. Prevalence of HBV/HCV was higher in rural areas. Slum area and dialysis unit had high HBV and HCV prevalence.
PATIENTS AND METHODS: A total of 75 camps were conducted across 14 districts of Tamil Nadu (2014-2017). Screening was done by rapid point-of-care assays (SD-bioline tests) and confirmed by enzyme-linked immunosorbent assay (Monolisa tests). Those tested negative were offered first dose of HBV vaccine. Positive patients with HBV count of more than 2000 IU/ml or HCV-RNA positive on quantitative analysis were treated.
RESULTS: A total of 18 589 people were screened, with HBV infection detected in 303 (prevalence 1.63%) and HCV infection in 56 (prevalence 0.3%), with significant variation among districts. Males contributed to about three-fourths of detected HBV [233/303 (77%)] or HCV [41/56 (73%)] infection. Screening detected a higher overall HBV/HCV infection rate in rural [203 (2.52%) infections in 8047 people] than in urban [156 (1.47%) infections in 10 542 people] areas (P<0.0001). Slum areas had a HBV prevalence of 5%. In a dialysis unit, all patients were found to have either HBV/HCV infection. A total of 162/303 (54%) people with HBV and 27/56 (48%) with HCV infection were treated, and 7704 people received the first dose of HBV vaccine.
CONCLUSION: The prevalence of HBV was 1.63% and HCV was 0.30% in Tamil Nadu. Three-fourths of HBV/HCV infected people were males. Prevalence of HBV/HCV was higher in rural areas. Slum area and dialysis unit had high HBV and HCV prevalence.
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