southside on Nostr: Pfizer Covid-19 vaccine provided sustained effectiveness against death, study finds ...
Pfizer Covid-19 vaccine provided sustained effectiveness against death, study finds
https://www.rnz.co.nz/news/national/527217/pfizer-covid-19-vaccine-provided-sustained-effectiveness-against-death-study-finds
https://www.rnz.co.nz/news/national/527217/pfizer-covid-19-vaccine-provided-sustained-effectiveness-against-death-study-finds