Seroprevalence studies conducted in random population-representative studies are essential for measuring the spread of COVID-19 pandemic. In order to fill this critical evidence gap, we undertook a statewide study in Karnataka in collaboration with the Center for Monitoring Indian Economy (CMIE). The study, funded by ACT Grants, relies on a random subsample of CMIE’s Consumer Pyramids Household Survey panel of households in Karnataka. In this population-representative sample, the study tested for presence of antibodies (using ELISA tests that are specific for COVID-19) as well as pooled RT-PCR tests for current infections.
The findings of the study suggest that the epidemic had already infected over 45% of the state’s population by August 2020. Importantly, the evidence also implies that rural areas have been almost equally affected by the epidemic.
The findings of the study were published in JAMA and can be accessed here.
Note: This work was done by the author/s when they were a part of the IDFC Institute and is republished here with permission.
