Penobscot County in February, have not spread, according to the Maine Center for Disease Control and Prevention.

The CDC issued a level 2 travel advisory for over 30 countries where poliovirus has been detected. What to know before you go ...

A group of experts that advises the US Centers for Disease Control and Prevention on its vaccine recommendations has ...

Both Arizona and South Carolina, two states that recorded hundreds of measles cases in recent months, are reporting significant slowdowns in new cases reported this week. Utah, however, has now ...

Polio is not endemic in the United States, but the disease is circulating in 30 other countries now. A doctor explains how to protect against polio when traveling.

Some members of the CDC’s vaccine advisory panel have publicly questioned the safety and manufacturing of the shots, including raising a debunked theory that DNA contaminants in the vaccines are ...

Hospitals face an increasing risk of encountering measles, but many health care workers don't know what it looks like.

Measles cases in South Carolina rose to 993 on ​Tuesday, state health data showed, including two ‌cases since the last update ...

Three monkeys died at a Hendry County primate facility, sparking criticism from animal-rights groups. The company says deaths are rare.

The Centers for Disease Control and Prevention has been without a permanent director since the removal of Susan Monarez in August. Its recently installed acting director, Jay Bhattacharya, is also ...

The Centers for Disease Control and Prevention is urging U.S. travelers to take extra precautions when traveling to any of more than 30 countries.

Here's a look at how a measles outbreak starts, as exposures at two Colorado schools lead to infections potentially spinning out of control.