The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

In an abundance of caution, the CDC last week advised hospitals and labs to do faster flu testing to help identify possible ...

Respiratory viruses are at high or very high levels across most of the country. Here is a snapshot of how Florida is faring.

In an abundance of caution, the CDC is advising faster flu testing to help identify possible bird flu cases hiding in the ...