The Journal.
Will Omicron Require New Covid Vaccines?
17 min•13 december 2021
Om avsnittet
Since the identification of the Omicron variant, vaccine makers - like Pfizer and Moderna - have been racing to figure out if the existing Covid-19 vaccines are effective against it or whether they should develop new, Omicron-targeted vaccines. WSJ's Denise Roland explains what scientists have to consider.
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