Dr.Ā Peter Hotez,Ā co-director of Texas Childrenās HospitalāsĀ CenterĀ for VaccineĀ Development says the the clinical trial results of Pfizer/BioNTechās Covid-19 vaccine showing 100% efficacy in..
Union Health Minister Harsh Vardhan along with his wife Nutan Goel took the second shot of Covid vaccine at Delhi Heart and Lung Institute on March 30 and said that many districts are recovering..