Pfizer, AstraZeneca Covid jabs works against Delta variant
New Delhi: Pfizer and AstraZeneca Covid-19 vaccines are highly effective against hospitalisation from the Delta (B16172) variant, according to new
Read more
AstraZenca
New Delhi: Pfizer and AstraZeneca Covid-19 vaccines are highly effective against hospitalisation from the Delta (B16172) variant, according to new
Read more