Pfizer/BioNTech say vaccine effective against S.Africa variant
Pfizer and BioNTech said Thursday their COVID-19 vaccine was highly effective against the South African variant in the latest phase ...
Read moreTag: effective
Manila Standard website (manilastandard.net), launched in August 2002, extends the newspaper’s reach beyond its traditional readers and makes its brand of Philippine news and opinion available to a much wider and geographically diverse readership here and overseas.