Browse the corpus

Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

1 passage

abstractpubmed· Abstract 2021· item PMID:33496645

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