Dr. Jonathan Reiner says the new Ba.5 offshoot of the Omicron Covid-19 variant is about as contagious as measles and has the most immunoevasion of any variant seen so far.
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Dr. Jonathan Reiner says the new Ba.5 offshoot of the Omicron Covid-19 variant is about as contagious as measles and has the most immunoevasion of any variant seen so far.