Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant, NEJM

Study (n=19,109, England) found only modest differences in vaccine effectiveness (Pfizer or AstraZeneca) with delta as compared with alpha variant after receipt of two vaccine doses. Absolute differences in vaccine effectiveness were more marked after receipt of first dose.

http://cash.libraryservices.nhs.uk/database/?entryid20=78022

Source: Current Awareness Service for Health (CASH) - July 23, 2021 Category: Consumer Health News Source Type: news