But the app only considers 2 doses as vaccinated. Regardless, protection doesn’t just mean from getting infected, in means from severe illness. So you’ll have to differentiate between the two.
Tell me you didn't read the article without telling me you didn't read the article.
In the first study, published yesterday in JAMA Network Open, researchers in Israel studied the effectiveness of a fourth dose of Pfizer/BioNTech mRNA COVID-19 vaccine against infection in 29,611 healthcare workers (HCWs) at 11 general hospitals who had received three vaccine doses in August or September 2021.
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Memorial Sloan Kettering Cancer Center researchers compared the effectiveness of two versus three doses of an mRNA COVID-19 vaccine against infection in more than 20,000 New York City HCWs during the Omicron surge from Dec 15, 2021, to Jan 15, 2022.
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In a case-control study published today in Clinical Infectious Diseases, researchers from the National Institute of Infectious Diseases in Japan estimated mRNA COVID-19 vaccine effectiveness (VE) against symptomatic infection among 5,795 participants at 16 healthcare facilities who received two doses during the Delta variant period (August and September 2021) and two or three doses during the Omicron-dominant era (January to March 2022), relative to their unvaccinated peers.
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