First major real-world study finds omicron more vaccine resistant, causing milder illness in South Africa

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Dec 14, 2021 First major real-world study finds omicron more vaccine resistant, causing milder illness in South Africa The first major real-world study of the omicron variant found that two doses of the Pfizer-BioNTech vaccine gave reduced protection against hospitalization compared to earlier variants. But the new study also found that omicron appeared to cause less severe illness in South Africa, possibly because it is less virulent or because of other local factors. Read More Follow Us Get the NBC News Mobile App Check out all NBC News newsletters here. 30 Rockefeller Plaza New York, NY 10112 View in browser | Unsubscribe | Contact | Privacy