Unsung Immune Cells Take Over When Covid Antibodies Wane
- Studies show T cells’ crucial role in coronavirus protection
- Vaccine makers hail their presence in trials of inoculations
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Antibodies have become a familiar word in the pandemic era, perhaps suggesting they’re the best hope for keeping the deadly coronavirus at bay. But when crucial vaccine data was released this week, the spotlight panned to an unsung immune player: T cells.
AstraZeneca Plc, Pfizer Inc. and partner BioNTech SE, as well as China’s CanSino Biologics Inc. all hailed the presence of these white blood cells in vaccine recipients as a sign their experimental shots show promise.