Respiratory illness activity – a measure of how often conditions like the common cold, flu, COVID-19, and respiratory syncytial virus are diagnosed – is currently "high" in the United States, according to an update from the Centers for Disease Control and Prevention.

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, reported recently in a hospitalized patient in Louisiana. Genetic samples from the patient contained mutations that could,