Antibodies Waning? The Immune System Has a Backup Plan For That.

MIDDLE East; ISRAEL

"That fits with the idea that circulating antibodies are going to protect you from infection, but memory B cells and memory T cells, while they may not eliminate the ability to have some virus in your nose, they're actually going to prevent severe disease." Read more: A Covid Booster Is the Privilege Scientists Say Will Curb Delta "Should antibodies wane and you get a little bit of local infection, you have memory B cells there to sort of renew or respond very rapidly to make new neutralizing antibodies", he said. Although third doses promise to bolster antibodies and make them better at blocking SARS-CoV-2 for longer, the body has its own natural support to defend against Covid-19 even when circulating antibody levels decline, Wherry said. [Extracted from the article]

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