Prevalence, risk factors and genotype distribution of HCV and HBV infection in the tribal population: a community based study in south India.

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dc.contributor.authorChandra, Madhavien_US
dc.contributor.authorKhaja, M Nen_US
dc.contributor.authorFarees, Nafeesaen_US
dc.contributor.authorPoduri, C Den_US
dc.contributor.authorHussain, M Men_US
dc.contributor.authorAejaz Habeeb, Men_US
dc.contributor.authorHabibullah, C Men_US
dc.date.accessioned2003-10-29en_US
dc.date.accessioned2009-06-04T04:20:51Z
dc.date.available2003-10-29en_US
dc.date.available2009-06-04T04:20:51Z
dc.date.issued2003-10-29en_US
dc.description.abstractViral hepatitis caused by the hepatitis C virus (HCV) and hepatitis B virus (HBV) represents a major public health problem in India. These viruses share common modes of transmission, such as parenteral routes. We aimed to assess the exposure of a tribal population to these viruses in south India. The present study was carried out on serum samples from 890 individuals (526 males and 324 females) belonging to the Lambada tribe residing in the state of Andhra Pradesh, south India. Anti-HCV antibody and hepatitis B surface antigen (HBsAg) status in the sera were analyzed using commercially available enzyme immunoassays (Abbott Labs, Chicago, IL). HCV-RNA and HBV-DNA in the sera was tested by reverse transcriptase polymerase chain reaction (RT-PCR) and PCR, respectively. The infecting genotype of HCV was determined using type-specific primers corresponding to the NS5 region of the virus. Out of the 890 samples, 18 (2.02%; male 11/526; female 7/364) were positive for HCV-RNA by RT-PCR and, 17 of them were positive for anti-HCV antibody. Genotyping of HCV isolates from the 18 individuals positive for HCV-RNA revealed that 66.67% (12/18) were infected with type 1 of HCV and its variants; while in the remaining (6/18), the infecting genotype was found to be type 3 and its variants. A total of 46 samples (5.16%; males 28/526; female 18/364) were positive for HBsAg; while 11 were positive only for HBV-DNA, 9 were positive for both hepatitis B e antigen (HBeAg) and HBV-DNA. Cultural practices such as tattooing, traditional medicine (e.g. blood-letting), rituals (e.g. scarification), body-piercing etc are the potential sources of spread of infection in this tribe. None of the samples analyzed revealed co-infection with the 2 viruses.en_US
dc.description.affiliationCenter for Liver Research and Diagnostics, Deccan College of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad 500058, Andhra Pradesh, India.en_US
dc.identifier.citationChandra M, Khaja MN, Farees N, Poduri CD, Hussain MM, Aejaz Habeeb M, Habibullah CM. Prevalence, risk factors and genotype distribution of HCV and HBV infection in the tribal population: a community based study in south India. Tropical Gastroenterology. 2003 Oct-Dec; 24(4): 193-5en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/124864
dc.language.isoengen_US
dc.source.urihttps://www.tropicalgastro.comen_US
dc.subject.meshAdolescenten_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshChilden_US
dc.subject.meshFemaleen_US
dc.subject.meshGenotypeen_US
dc.subject.meshHepacivirus --geneticsen_US
dc.subject.meshHepatitis B --ethnologyen_US
dc.subject.meshHepatitis B virus --geneticsen_US
dc.subject.meshHepatitis C --ethnologyen_US
dc.subject.meshHumansen_US
dc.subject.meshIndia --epidemiologyen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshPopulation Groups --statistics & numerical dataen_US
dc.subject.meshPrevalenceen_US
dc.subject.meshRisk Factorsen_US
dc.titlePrevalence, risk factors and genotype distribution of HCV and HBV infection in the tribal population: a community based study in south India.en_US
dc.typeJournal Articleen_US
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