Health officials are now warning that Missouri is below the 95% vaccination rate needed for herd immunity against measles.

Health officials in Missouri are urging residents to get vaccinated for measles.

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

Add Yahoo as a preferred source to see more of our stories on Google. Former US Surgeon General Dr. Jerome Adams says the ongoing measles outbreak is a critical moment for Health and Human Services ...

Infections acquired by patients in intensive care units (ICUs) are bad news. These patients, many on life support, are already vulnerable. An infection will increase their chance of dying.

Colorado measles vaccination rates are falling behind other states, leading to a lower herd immunity among children. A recent data analysis by The Washington Post found that Colorado has an 88% herd ...

To stop the spread of an infectious disease like measles, you don’t have to vaccinate everyone. But you do have to vaccinate many. Just how many? To let you discover for yourself, we simulated an ...

Editor’s note: Dr. Jerome Adams, who served as US surgeon general in the first Trump administration, is a distinguished professor in pharmacy practice and public health at Purdue University. The ...