COVID-19 vaccines made by AstraZeneca and the Pfizer-BioNTech alliance remain broadly effective against Delta and Kappa variants of the COVID-19 causing virus, which were first identified in India, according to a scientific study, underpinning a continued push to deliver the shots.
Suscribirse a:
Enviar comentarios (Atom)
Comentarios
Publicar un comentario
Leave a comment. Thanks!
Comentarios de Facebook