Comparative Analysis of First, Second, and Third Waves of COVID-19 Infection in Himachal Pradesh – North India: A Retrospective Study

Abstract

With the evolving coronavirus disease-2019 (COVID-19) pandemic, India witnessed multiple peaks with dissimilarities at various levels. We conducted a cross-sectional study on COVID-19 patients admitted at a tertiary care hospital in Himachal Pradesh, India, during the peak of the first wave (from 1 November 2020 to