Every new infection offers a chance for the coronavirus to mutate, and the virus is spreading rapidly in China.
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About three years ago, the original version of the coronavirus spread from China to the rest of the world and was eventually replaced by the delta variant, then omicron and its descendants, which continue plaguing the world today. “Much of the mildness we’ve experienced over the past six to 12 months in many parts of the world has been due to accumulated immunity either through vaccination or infection, not because the virus has changed” in severity, Ray said.
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