The United Nations International Children rsquo;s Emergency Fund (UNICEF) says pneumonia is the biggest infectious killer of ...

The ascension of Robert F. Kennedy Jr., a longtime anti-vaccine activist, to the nation’s top health post has alarmed medical ...

Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it be the next pandemic? Experts explain the threat ...

Should Kennedy win Senate confirmation, his critics say he is threatening the achievements of a science-based public health ...