Yosemite National Park is investigating about 170 reports of gastrointestinal illnesses and has confirmed two cases of norovirus, officials said Thursday. The National Park Service began...
NEW YORK — Measles in the U.S. has climbed to its highest level in 25 years, closing in on 700 cases this year in a resurgence...
For the first time, a U.S. advisory committee is recommending a routine vaccination for homeless people, voting Wednesday to urge hepatitis A shots to prevent future...
