China's COVID-19 surge raises odds of new coronavirus variants
CBSN
Could the COVID-19 surge in China unleash a new coronavirus mutant on the world?
Scientists don't know but worry that might happen. It could be similar to Omicron variants circulating there now. It could be a combination of strains. Or something entirely different, they say.
"China has a population that is very large and there's limited immunity. And that seems to be the setting in which we may see an explosion of a new variant," said Dr. Stuart Campbell Ray, an infectious disease expert at Johns Hopkins University.
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