Prevalence and Time Trend of SARS-CoV-2 Infection in Puducherry, India, August–October 2020

Abstract

We conducted 3 population-based cross-sectional surveys, at 1-month intervals, to estimate the prevalence and time-trend of severe acute respiratory syndrome coronavirus 2 infection in Puducherry, India. Seropositivity rate increased from 4.9% to 34.5% over 2 months and was 20-fold higher than the number of diagnosed cases of infection.

Keywords

• coronavirus disease
• SARS-CoV-2
• severe acute respiratory syndrome coronavirus 2
• severe acute respiratory syndrome
• SARS
• viruses