Almost as soon as Omicron started spreading, doctors noticed slight differences in their patients' symptoms relative to prior variants. Mild, coldlike symptoms — such as sore throats, sneezing, and ...

(NEXSTAR) – Three respiratory illnesses, COVID-19, respiratory syncytial virus (RSV) and the flu, continue to infect hundreds of thousands of Americans daily – which can make it hard to tell what’s ...

Respiratory infections may become more prevalent again now that Americans are ditching their masks. Some cold or flu cases could be easily confused with a mild COVID-19 infection. Headaches and runny ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – Three respiratory illnesses, ...