Background SARS-CoV-2 has spread substantially within India over multiple waves of the
ongoing COVID-19 pandemic. However, the risk factors and disease burden associated with …

Methods: From May 11 to June 4, 2020, a randomly sampled, community-based survey was
conducted in 700 villages/wards, selected from the 70 districts of the 21 States of India …

Objectives We sought to understand the spread of SARS-CoV-2 infection in urban India,
which has surprisingly low COVID-19 deaths. Design Cross-sectional and trend analyses of …

Background Three rounds of a repeated cross-sectional serosurvey to estimate the
seroprevalence and trends of SARS-CoV-2 were conducted from August-October'2020 in …

A population-representative serological study was conducted in all districts of the state of
Tamil Nadu (population 72 million), India, in October-November 2020. State-level …

Population Point Prevalence of SARS-CoV-2 Infection Based on a Statewide Random
Sample — Indiana, April 25–29, 2020 | MMWR Skip directly to site content Skip directly to …

Objectives To describe the public health strategies and their effect in controlling the COVID-
19 pandemic from March to October 2020 in Chennai, India. Setting Chennai, a densely …

Background A previous community-based severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) serosurvey in Delhi in January 2021 reported a seroprevalence of 50.52 …

The study aims to estimate and compare the severe acute respiratory syndrome coronavirus
2 (SARS-CoV-2) seroprevalence, the fraction of asymptomatic or subclinical infections in the …

Background India has been severely affected by the ongoing COVID-19 pandemic.
However, due to shortcomings in disease surveillance, the burden of mortality associated …