Many respiratory virus illnesses peak during the winter due to environmental conditions and human behaviors. COVID-19 has peaks in the winter and also at other times of the year, including the summer. This is driven in part by new variants and decreasing immunity from previous infections and vaccinations.
CDC's respiratory virus guidance has steps you can take to protect yourself and others from COVID-19 this summer.
“The FLiRT variant has specific changes in its spike protein that might make it spread more easily and dodge immunity from past infections or vaccines,” says Dr Malik. “Similarly, the LB.1 variant has mutations that help it spread and possibly weaken the protection we get from previous immunity, making these variants different from earlier versions of the virus.
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