HomeHealthA second version of omicron is spreading. Here's why scientists are on...

A second version of omicron is spreading. Here’s why scientists are on alert

It’s a sibling of the first omicron variant that swept the world. Is it more contagious? Does it cause severe disease? Will it keep current omicron surges going? Researchers are looking for answers.

(Image credit: Uma Shankar Sharma/Getty Images)



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