Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...

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

The latest data on U.S. COVID-19 test positivity rates shows a complicated picture as we head towards the new year.

The Trump administration has intervened in the release of important studies on the bird flu, as an outbreak escalates across ...

COVID-19 has hit some countries far harder than others ... We want to know where infections are trending up or down relative to the size of the outbreak in each country. So in these charts ...

Respiratory illnesses, including COVID-19, influenza, and RSV, are surging across the United States, with healthcare systems feeling the strain as more people seek care for these conditions. The CDC ...