Assessment of hepatitis C virus infection in two adjacent Thai provinces with drastically different seroprevalence

Rujipat Wasitthankasem, Preeyaporn Vichaiwattana, Nipaporn Siripon, Nawarat Posuwan, Chompoonut Auphimai, Sirapa Klinfueng, Napha Thaneskongtong, Viboonsak Vuthitanachot, Supapith Saiyatha, Chaiwat Thongmai, Sarawut Suwanpatoomlerd, Saowakon Sochoo, Natnada Pongsuwan, Kittiyod Poovorawan, Pisit Tangkijvanich, Sompong Vongpunsawad and Yong Poovorawan

PLOS ONE, 2017, vol. 12, issue 5, 1-15

Abstract: Improved awareness of the hepatitis C virus (HCV) transmission has contributed to the overall decline in the HCV infection rate in some developing countries including Thailand. Chronic HCV infection in some rural Thai communities, however, presents a challenge in the efforts to treat and manage HCV-related diseases. Published and unpublished studies have suggested an unusually high incidence of HCV infection in a Thai province of Phetchabun compared to elsewhere in Thailand. To determine the magnitude of HCV infection and identify potential factors contributing to the higher rate of HCV infection in this province, we performed a population-based study in Phetchabun (n = 1667) and the neighboring Khon Kaen province (n = 1410) where HCV prevalence is much lower. Individuals between 30 and 64 years old completed detailed questionnaires designed to identify HCV risk factors and provided blood samples for anti-HCV antibody screening. The anti-HCV seropositive rates were 15.5% (259/1667) in Phetchabun and 3.6% (51/1410) in Khon Kaen. Positive samples were subsequently genotyped for HCV core gene sequence and assessed for the hepatitis B virus surface antigen (HBsAg) and human immunodeficiency virus antigen/antibody (HIV Ag/Ab). More individuals in Phetchabun possessed the combined presence of HBsAg (5.0%) and HIV Ag/Ab (0.4%) than those in Khon Kaen (3.9% HBsAg and 0.0% HIV Ag/Ab). While male gender, intravenous drug use (IVDU) and tattoos were significant HCV risk factors in both provinces (p

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0177022

DOI: 10.1371/journal.pone.0177022

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