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New data from CDC on effectiveness of Pfizer and Moderna COVID-19 vaccines


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Researchers in the United States have conducted a study demonstrating the real-world effectiveness of the Pfizer-BioNTech and Moderna coronavirus disease 2019 (COVID-19) vaccines at preventing infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2

The large prospective study of almost 4,000 people found that full vaccination (with two doses) was 91% effective at preventing SARS-CoV-2 infection, while partial vaccination (with one dose) was 81% effective.

Among those who became infected, partially or fully vaccinated individuals had a lower level of viral RNA, a lower risk of developing febrile symptoms and a reduced duration of illness compared with unvaccinated individuals.

https://www.news-medical.net/news/20210606/New-data-from-CDC-on-effectiveness-of-Pfizer-and-Moderna-COVID-19-vaccines.aspx

 

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