A swarm of sneaky omicron variants could cause a COVID-19 surge this fall
Mutations showing up in many variants help the coronavirus evade our immune defenses
![An illustration of a large green coronavirus, with a purple and red coronavirus breaking through the right half of the larger virus. The backdrop is multicolored scan lines on the left half and plain gray on the right](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/10/101322_eg_omicron_feat.jpg?fit=1030%2C580&ssl=1)
As we head into our third pandemic winter, researchers are keeping an eye on a swarm of omicron variants that have donned sneaky disguises to get around our immune systems.
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