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Omicron coronavirus variant partly evades Pfizer vaccine's protection, study shows

By CNN  
   December 08, 2021

The Omicron coronavirus variant partly escapes the protection offered by the Pfizer vaccine, but people who have been previously infected and then vaccinated are likely to be well protected, researchers working in South Africa reported Tuesday. Boosters are also likely to protect people, Alex Sigal of the Africa Health Research Institute in Durban, who led the study team, told CNN.

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