Vaccines don’t have to prevent infection or transmission to be cleared in the United States, the country’s top regulatory agency said in a new document. “It is important to note that FDA’s authorization and licensure standards for vaccines do not require demonstration of the prevention of infection ...

Following the release of the Biden administration's six-step plan to increase vaccination rates across the country, it seemed that their charge toward a de facto national vaccine mandate had reached terminal velocity. Yet, in advance of the administration's decision to green light booster shots to a...