AstraZeneca, Pfizer COVID-19 vaccines effective against Delta variant, study finds
https://healthell.blogspot.com/2021/06/astrazeneca-pfizer-covid-19-vaccines.html
AstraZeneca, Pfizer COVID-19 vaccines effective against Delta variant, study finds
Both the AstraZeneca and Pfizer-BioNTech COVID-19 vaccines maintained effectiveness against the Delta variant in a recent study, with researchers noting “no evidence of widespread complete escape from neutralization.”