Will we have to alter vaccines whenever a COVID-19 variant occurs? | - newsallabc.com
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Thursday, December 9, 2021

Will we have to alter vaccines whenever a COVID-19 variant occurs? |

Drugmakers BioNTech and Pfizer say a three-shot course of their coronavirus vaccine is effective against the newly discovered Omicron variant. 

BioNTech has also annouced they could have a new Omicron-specific vaccine by March 2022. Earlier, the World Health Organization said there is no reason to expect that the existing vaccines against the coronavirus will fail against the Omicron variant.

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