Pfizer sees waning immunity from its Covid-19 vaccine, says developing new booster
www.cnn.com Pfizer said Thursday it is seeing waning immunity from its coronavirus vaccine and says it is picking up its efforts to develop a booster dose that will protect people from variants.… Read More
About Me
Hello ! I am Richard Y. Lim
Upon migration to Medina, the direction of the Qibla continued to be Jerusalem, although it was then physically impossible for one to also face the Ka’ba, as Medina is north of Makkah.
