as the pandemic forced restrictions, including shelter-at-home orders, last year.
New data from 10 jurisdictions that closely monitor immunizations confirm that the number of administered vaccine doses plunged between March and May of last year, especially among older children, the Centers for Disease Control and Prevention reported on Thursday.
Though vaccinations rebounded between June 2020 and September 2020, approaching pre-pandemic levels, the increase was not enough to make up for the earlier drop, the study found.
Vaccinations are required for attendance at most schools, camps and day care centers, but the authors of the C.D.C. study warned that the lag …