| Haber: |
Covid-19 global updates: Two doses of Pfizer and AstraZeneca coronavirus vaccines effective against delta variant, study says
The new research confirms earlier data suggesting the two vaccines offer similar levels of protection against the delta variant when administered as a full course.
https://www.washingtonpost.com/world/2021/07/22/coronavirus-latest-updates/?utm_source=rss&utm_medium=referral&utm_campaign=wp_world
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