Sinovac COVID vaccine 38% effective in young kids - Chilean study
March 16 (Reuters) - China-based Sinovac Biotech Ltd's COVID-19 vaccine was 38.2% effective in preventing infections during the Omicron wave in children...
March 16 (Reuters) - China-based Sinovac Biotech Ltd's COVID-19 vaccine was 38.2% effective in preventing infections during the Omicron wave in children...