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Duration and Density of Fecal Rotavirus Shedding in Vaccinated Malawian Children With Rotavirus Gastroenteritis.


ABSTRACT: Quantifying rotavirus shedding among vaccinated individuals will aid understanding of vaccine indirect effects. Serial stool samples were collected from 196 children who presented with rotavirus gastroenteritis to health facilities in Blantyre, Malawi, and were tested for rotavirus using a VP6 semi-quantitative, real-time polymerase chain reaction. The median duration of fecal shedding was 28 days (95% CI, 19-28). The median copy numbers for peak shedding were 1.99 × 107 (interquartile range, 3.39 × 106 to 6.37 × 107). The fecal viral load was positively associated with disease severity and negatively associated with serum anti-rotavirus immunoglobin A. High and persistent rotavirus shedding among vaccinated children with breakthrough disease may contribute to ongoing transmission in this setting.

SUBMITTER: Bennett A 

PROVIDER: S-EPMC7661767 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Duration and Density of Fecal Rotavirus Shedding in Vaccinated Malawian Children With Rotavirus Gastroenteritis.

Bennett Aisleen A   Pollock Louisa L   Jere Khuzwayo C KC   Pitzer Virginia E VE   Lopman Benjamin B   Bar-Zeev Naor N   Iturriza-Gomara Miren M   Cunliffe Nigel A NA  

The Journal of infectious diseases 20201101 12


Quantifying rotavirus shedding among vaccinated individuals will aid understanding of vaccine indirect effects. Serial stool samples were collected from 196 children who presented with rotavirus gastroenteritis to health facilities in Blantyre, Malawi, and were tested for rotavirus using a VP6 semi-quantitative, real-time polymerase chain reaction. The median duration of fecal shedding was 28 days (95% CI, 19-28). The median copy numbers for peak shedding were 1.99 × 107 (interquartile range, 3.  ...[more]

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