Background: COVID‑19 is a public health concern currently demanding continuous efforts to understand its epidemiology. Pimpri‑Chinchwad township with a population of over 25 lakhs is located in Maharashtra, one of the worst affected states in India. After the incidence peaked in the township in mid‑September 2020, cases started declining even as lockdown restrictions were eased. Objectives: A seroprevalence study was conducted to understand the transmission dynamics of the pandemic in this region.
Methods: We carried out a population‑based seroprevalence study for IgG antibodies for severe acute respiratory syndrome‑coronavirus‑2 (SARS‑CoV‑2) among 5000 residents 12 years and above selected by the cluster random sampling. We selected 50 clusters in slums, 80 clusters in tenements, and 70 clusters from housing societies. The field work for collection of samples was carried out from…
