Prevalence and Time Trend of SARS-CoV-2 Infection in Puducherry, India, August–October 2020
Sitanshu Sekhar Kar, Sonali Sarkar, Sharan Murali, Rahul Dhodapkar, Noyal Mariya Joseph, Rakesh Aggarwal
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.
Topics & Concepts
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)MedicineCoronavirus disease 2019 (COVID-19)Cross-sectional study2019-20 coronavirus outbreakVeterinary medicinePopulationCoronavirusDemographyInternal medicineVirologyEnvironmental healthOutbreakPathologyDiseaseInfectious disease (medical specialty)SociologyCOVID-19 epidemiological studiesCOVID-19 Clinical Research StudiesSARS-CoV-2 and COVID-19 Research