COVID-19 Delta variant is as contagious as chickenpox, says US CDC Vishal Singh Friday, 30 July 2021 Facebook Twitter The US Centers for Disease Control said that the war against COVID-19 has changed because of the highly contagious Delta variant. from Zee News :World https://ift.tt/2TKW789 LihatTutupKomentar Post Selanjutnya Post Sebelumnya