Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...
Recent data indicated that cases of norovirus are on the rise in the United States, according to government reports.
Norovirus is highly contagious and causes vomiting and diarrhea. But, in the overwhelming majority of cases, people recover ...
About 20 percent of Americans now say they believe vaccines are more dangerous than the illness they are supposed to prevent.