Tag: Booster dose efficacy
“Booster after booster in a small number of countries will not end a pandemic while billions remain completely unprotected” says Dr.Tedros ,DG,World Health Organisation
sarkarimirror January 6, 2022
“Booster after booster in a small number of countries will not end a pandemic while billions remain completely unprotected” says Dr.Tedros ,DG,World Health Organisation Posted…