A Comparison of Clinical Presentations in Coronavirus Disease 2019 Caused by Different Omicron variants in Japan: A Retrospective Study
Description
Objective We evaluated the clinical differences in coronavirus disease 2019 (COVID-19) patients between the sixth wave with the Omicron BA.1/BA.2 dominant variant (from January to April 2022) and seventh wave with the Omicron BA.5 dominant variant