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  2. Dec 17, 2021Omicron is proving to be good at evading immunity and vaccines. But so far, evidence suggests it may cause milder illness, though that remains the biggest and probably most consequential open ...
    Author:Rob Stein
  3. Jan 15, 20223. Your immunity will last months — not years. Unlike chickenpox, getting a COVID-19 infection is not a get-out-of-jail-free card for long. T wo main things impact how well our immunity will ...
  4. Instead, Omicron has accumulated small changes, making it better at evading immune responses and—together with waning immunity—leading to successive waves. "I think it's probably harder and harder for these new things to emerge and take over because all the different Omicron lineages are stiff competition," Grubaugh says, given how ...
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