The Centers for Disease Control and Prevention’s Emergency Operations Center in Atlanta, March 19. PHOTO: ERIC BARADAT/AGENCE FRANCE-PRESSE/GETTY IMAGES
Consider the CDC studies on school mask mandates, which have uniformly claimed benefits. Two researchers at the University of Toronto and University of California, Davis recently sought to replicate a CDC study that found that pediatric Covid cases increased faster in U.S. counties that didn’t have school mask mandates compared with those that did….
As another example, recall the CDC’s widely cited studies last fall that purportedly found vaccines provide better protection than natural immunity from infection…. But a new study, published this month in the New England Journal of Medicine, finds that natural immunity provides more-durable and stronger protection than vaccines.