Evidence map›Paper›PMID 40661881›Full record

ArticleTherapeutic advances in infectious disease

Emergence of HCV genotype 6 and its new variants among intravenous drug users in Manipur, a north-eastern state of India.

Raina Das, Supradip Dutta, Sagnik Bakshi, Aritra Biswas, Shreyasi Nath, Moumita Majumdar, Priya Verma, Upasana Baskey, Shanta Dutta, Provash Chandra Sadhukhan

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Article in Therapeutic advances in infectious disease. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Raina DasIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.ORCID https://orcid.org/0000-0002-5588-5526
Supradip DuttaIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Sagnik BakshiIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Aritra BiswasIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Shreyasi NathIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Moumita MajumdarIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Priya VermaIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Upasana BaskeyIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.
Shanta DuttaIndian Council of Medical Research, National Institute for Research in Bacterial Infections (NIRBI), West Bengal, India.ORCID https://orcid.org/0000-0002-6897-7390
Provash Chandra SadhukhanDivision of Virus Laboratory, National Institute for Research in Bacterial Infections, Indian Council of Medical Research, P-33, C.I.T. Road, Scheme-XM, Beleghata, Kolkata 700010, West Bengal, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Manipur, a north-eastern state of India, has a high incidence of intravenous drug use with an equally high prevalence of Hepatitis C virus (HCV) infection. Objectives: This cross-sectional study aimed to evaluate the impact of certain risk factors enhancing the susceptibility of acquiring HCV. Design: A total of 1008 participants from various risk groups, from nine districts across the state, were enrolled. Blood samples along with demographic data were collected from the study participants. Methods: HCV RNA was isolated and nested RT-PCR was performed followed by Sanger sequencing for genotyping. Phylogenetic and phylogeographic studies were further conducted. Results: Of the total, 493 (48.90%) samples were HCV sero-reactive. Among the sero-reactive samples, 406 (82.35%) were HCV RNA positive. In case of the subgroup PWID + HIV, sero-reactivity (82.22%) and viremia (90.54%) were observed to be exceptionally high. It was noted that HCV sero-reactivity increased four times in people living with HIV (PLHIV) who continued to inject drugs. Three HCV genotypes and eight subtypes were circulating in this study population. Conclusion: In PLHIV who continued to inject drugs, HCV sero-reactivity increased four-fold. About 40% of the population living with HCV belonged to genotype 6, while genotype 1 showed a noticeable decline. Phylogeographic analyses and spatiotemporal reconstructions revealed that most of the subtypes migrated from far south-east Asian countries like Thailand, Malaysia, Myanmar, and Singapore.

Indexed as

cross-border transmissiongenotypeHCVIndiaintravenous drug usephylogeographyrisk groupstransmission dynamics

Identifiers

PMID40661881
PMCPMC12256739

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