Home News Assam News Assam’s First Sero-Survey found 23.7% Seroprevalence in the State

Assam’s First Sero-Survey found 23.7% Seroprevalence in the State

The study obtained Ethical Clearance from Institutional Ethic Committee of Assam Down Town University and the study outputs have been shared with the National Health Mission, Assam.

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Guwahati: The world is witnessing an unprecedented situation today, with over 35 million confirmed cases of COVID 19 globally. More than 6.8 million people in India and over 1.9 lakh people in Assam have been identified as infected so far. Population based sero-surveys that measure antibodies against SARS Coronavirus 2 provide a relatively reliable method of estimating rates of infection as well as the progression of the disease in a specified population.

To address this issue, SRIJANASOM, a charitable non-governmental organization has conducted a serological survey in collaboration with Medicity Guwahati group of Clinics and Diagnostics in different districts of Assam called AASHA (Assessment of Anti SARS CoV 2 Seroprevalence in Habitants of Assam).

The study found that 23.7 percent of Assam’s population have been exposed to the coronavirus before mid-August. The survey was done between August 23 and Sept 26, 2020 and total 2390 samples were collected. The study obtained Ethical Clearance from Institutional Ethic Committee of Assam Down Town University and the study outputs have been shared with the National Health Mission, Assam.

The districts of Assam were stratified into three categories, high risk, medium risk and low risk, and the study participants were tested for IgG antiblodies by CLIA method. Thissero survey is part of a larger effort to understand how widespread the prevalence of COVID-19 is in the state of Assam.

The study suggests that taking into account the seroprevalence found by the study, 1 in 5 (5-65 years old age group) persons in Assam is likely to have been exposed to the coronavirus (SARS-CoV-2) by mid-August.