Jason Gale And Marthe Fourcade Bloomberg

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.

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.