The efficacy of vaccines in dealing with variants isn’t a new concern. Researchers have fretted about everything from B.1.1.7 in the U.K. and B.1.351 in South Africa to P.1 in Brazil and B.1.429 and B.1.232 in California.The efficacy of vaccines in dealing with variants isn’t a new concern. Researchers have fretted about everything from B.1.1.7 in the U.K. and B.1.351 in South Africa to P.1 in Brazil and B.1.429 and B.1.232 in California.Read More
