A Better Way to Measure Immunity in Children

June 17, 2022

(New York Times) – After a series of delays by regulators, however, only about one in five parents plan to have their young children immunized right away, according to one recent survey. In a letter to F.D.A. officials in April, nearly 70 scientists offered their own assessment: The delay was preventable. Their argument is a technical one, but with broad implications. The agency and the manufacturers chose to evaluate the vaccines by tracking blood levels of antibodies, the scientists said. But had regulators also considered other parts of the immune system, it might have been clear early on that the vaccines could prevent serious illness, if not infection, in young children. (Read More)