But under PAHO's definition of elimination, borders matter. If, for example, the chain of measles that started in the U.S.

Kirk Milhoan, appointed by RFK Jr. as head of a federal vaccine panel, talks of the measles outbreak like it's a great chance to study who dies.

Members of Congress should support health care professionals in being accurate about the importance of vaccination, writes ...

Often questions about the safety and efficacy of vaccines go unanswered because they're raised within their own circle. | Opinions ...

Florida faces a doctor and nurse shortage, which some attribute to an anti-science political climate. A proposed Affordable ...

To this day, animal testing remains one of the most controversial issues in animal rights. Activists have been fighting ...