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The U.S. needs to identify mutant strains faster, says Dr. Peter Hotez

Dr. Peter Hotez, co-director of the Center for Vaccine Development at Texas Children’s Hospital, says he is conducting research to neutralize a new South African Covid-19 variant. He says the U.S. needs to identify mutant strains faster to tackle this problem.
03:27
Mon, Jan 4 20217:51 PM EST