Seroprevalence of SARS-CoV 2 antibodies & its determinants in children of 5-to-18-year age group in an urban setting, Kerala.

dical Research (ICMR) among those aged above 18 years was done in May–June 2020, indicating that 0.73% of adults in India were exposed to SARS-CoV-2 infection.[ 8 ] The seroprevalence in the Second (August to September 2020) and the Third round national serosurvey (December to January 2021), showed an increasing trend of 6.6% and 24.0% in the above 10 year age group. 27.2% seroprevalence was reported in the 10-to-17 year age group.[ 9 10 ] Under the WHO study, the seroprevalence estimates among the 2-to-17 year age group from selected states showed 55.7% seropositivity among children to SARS CoV2 combined (IgG and IgM) antibodies.[ 11 ] The technical document ICMR stated a seroprevalence of 67.6% in the above 10 years in India in the fourth round survey during May to June 2021.

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