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Increased parvovirus B19 seropositivity in healthy blood donors in India
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Increased parvovirus B19 seropositivity in healthy blood donors in India
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Journal Article
Increased parvovirus B19 seropositivity in healthy blood donors in India
2024
Overview
A core component of every blood program is the supply of safe blood and blood products. The elevated risk of transmission through these products is due to parvovirus B19 (B19V) resistance to the virus inactivation procedures. Our study aimed to screen asymptomatic blood donors for B19V at a tertiary care hospital in Chennai, Tamil Nadu, between September 2020 and June 2021. Sera from 106 healthy blood donors who tested negative for Human immunodeficiency virus (HIV), Hepatitis B surface antigen (HBsAg), Hepatitis C virus (HCV), syphilis, and malaria were tested for anti-B19V IgM and IgG using a qualitative indirect enzyme-linked immunosorbent assay (ELISA). In the study population, 23.5% (n = 25) of donors tested IgM positive, 38.6% (n = 41) tested IgG positive, and 7.5% (n = 8) tested positive for both IgM and IgG. A proportion of 61.3% (n = 65) of the blood donors tested IgG negative, suggesting they had no past B19V infection. B19V DNA was not detected in any of the subjects. The high seroprevalence of IgM indicates that blood donors may have been recently exposed to B19V, potentially posing a risk to immunocompromised individuals and those with hematological stress. Further longitudinal studies with a larger sample size are recommended to better understand the risk of B19V transfusion transmission.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Adult
/ Enzyme-linked immunosorbent assay
/ Female
/ HIV
/ Human immunodeficiency virus
/ Humanities and Social Sciences
/ Humans
/ IgM/IgG
/ Malaria
/ Male
/ Parvoviridae Infections - blood
/ Parvoviridae Infections - epidemiology
/ Parvoviridae Infections - immunology
/ Parvovirus B19, Human - immunology
/ Science
/ Serology
/ Sexually transmitted diseases
/ STD
/ Syphilis
