Immunoglobulin-G Antibodies against Severe Acute Respiratory Syndrome - Coronavirus-2 among Health-Care Workers: A Serosurveillance Study from India.

Background: Seropositivity among health-care workers (HCWs) may help in better understanding of the immune response after COVID-19 infection.

Objectives: To estimate seropositivity among HCWs and to compare available variables with seropositivity to understand the factors affecting seropositivity.

Materials And Methods: A serosurveillance among HCWs was carried out using population proportion sampling during the second half of October 2020 in the city of Ahmedabad using the Covid-Kavach (immunoglobulin G [IgG] ELISA Antibody testing kit).