Expect more worrisome variants after omicron, scientists say
Expect more worrisome variants after omicron, scientists say

Scientists warn that omicron’s whirlwind advance practically ensures it won’t be the last version of the coronavirus to worry the world. Every infection provides a chance for the virus to mutate, and omicron has an edge over its predecessors: It spreads way faster despite emerging on a planet with a stronger patchwork of immunity from vaccines and prior illness. Experts don’t know what the next variants will look like or how they might shape the pandemic, but they say there’s no guarantee the sequels of omicron will cause milder illness or that existing vaccines will work against them. ... Read More

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