Pfizer Vaccine Works Against South African Variant
(New York, NY) --- Pfizer [[ FYE-zer ]] says trials suggest its coronavirus vaccine is effective against a variant that first emerged in South Africa. Pfizer also says a new compan…
(New York, NY) --- Pfizer [[ FYE-zer ]] says trials suggest its coronavirus vaccine is effective against a variant that first emerged in South Africa. Pfizer also says a new compan…