Waning Immunity

Immune responses don’t last forever. They’re supposed to wane, and the fact that they do works to our advantage - Katherine J. Wu

Waning Immunity
Waning Immunity

image by: Health Sciences Society

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The Good Part About ‘Waning’ Immunity

In early March, Deepta Bhattacharya, an immunologist at the University of Arizona, celebrated a milestone: hitting the point of full vaccination, two weeks after getting his second Pfizer shot. Since then, he’s been watching the number of coronavirus antibodies in his blood slowly but surely decline.

The drop hasn’t been precipitous, but it’s definitely happening—regular checkups have shown his antibody levels, also known as titers, ticking down, down, down, from spring through summer, now into fall. The slump fits the narrative that countless reports have been sounding the alarm on for a while now: In the months after vaccination, our antibodies peace out, a trend that’s often been…

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Resources

 The Good Part About ‘Waning’ Immunity

You might have fewer antibodies now. But they’re better than the ones you started with.

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