On May 1, HHS declared that all new vaccines must now undergo safety testing through placebo-controlled trials prior to licensure, marking a significant procedural shift. This announcement has provoked both praise and concern, with advocates arguing for the increased transparency it offers and critics warning of potential costs and confusion due to vague definitions. Additionally, it is noted that vaccines have historically undergone rigorous testing, challenging the notion that such practices are new. Experts call for clearer guidelines and definitions around what qualifies as a "new vaccine."
"All new vaccines will undergo safety testing in placebo-controlled trials prior to licensure - a radical departure from past practices."
"Except for the COVID vaccine, none of the vaccines on the CDC's childhood recommended schedule was tested against an inert placebo, meaning we know very little about the actual risk profiles of these products."
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