Seasonal influenza has continued to increase across the country, reaching unprecedented intensity and marking the most severe flu season in at least 15 years, according to the CDC, which reported ...

That is the worst on record in the CDC's influenza surveillance network since late 2009, during the swine flu pandemic. While most flu seasons usually see a resurgence of infections after the ...

Get Instant Summarized Text (Gist) The CDC briefly posted and then removed data indicating potential transmission of the H5N1 bird flu virus from cats to humans. This data, not included in the CDC ...