Why do some people seem unable to catch COVID? Scientists are looking for answers. - Yahoo! Voices

Scientists are studying people intentionally exposed to the virus that causes COVID and those who don't get sick to find out why some avoid infection.

Two years since COVID-19 first appeared in the US, Columbia University experts have taken a deep dive into how it has changed our society. USA TODAY One of the lingering mysteries of the COVID-19 p… [+11030 chars]

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