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Posts published in “Clinical Trials”

A Better Way to Measure Immunity in Children

Some scientists believe that a clearer picture of Covid vaccine efficacy could have emerged sooner if investigators had tracked certain immune cells, not just antibodies. Source: New York Times

Why the C.D.C. Changed Its Advice on Masks

Two scientific findings altered the calculus: Vaccinated people don’t transmit the virus, and the shots are effective against variants. Source: New York Times