Observational studies show excellent efficacy of two-dose regimen of Pfizer or AZ against the Delta variant dramatically reducing the risk of hospitalization. #vaccineswork

Medical Mythbusting Commentary for June 15, 2021

Source:
2 Pfizer COVID-19 vaccines more effective than AstraZeneca against Delta variant, data says

Reference:
SARS-CoV-2 Delta VOC in Scotland: demographics, risk of hospital admission, and vaccine effectiveness
Effectiveness of COVID-19 vaccines against hospital admission with the Delta (B.1.617.2) Variant