It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February. Meanwhile, it's the mildest COVID winter since the pandemic began.

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The annual winter respiratory virus season is in full force. The number of people catching the flu is skyrocketing, while COVID-19, RSV and other respiratory viral illnesses are also rising.

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If you've got a fever, cough, aches and pains, and you're wondering, "What virus got me this time?" Now you can find out, without taking a trip to the doctor.

The nasal spray option could encourage more people who have fears of doctors or needles to inoculate themselves against the flu.

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Are we in a surge? How would we know? Is winter now "COVID season?" And what do you do if your whole family got the coronavirus over the holidays? We tackle readers' coronavirus questions.

The flu almost killed a 34-year-old man who was addicted to vaping. But an innovative doctor – and some DD-sized breast implants – made him eligible for a transplant.

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Now that official COVID emergency declarations have ended, how should people evaluate their risk of SARS-CoV-2? That's the subject of our frequently asked questions offering.

After months of COVID, flu and RSV infections, parents of little kids are kinda losing it. But the data shows kids have always brought home waves of respiratory illness.

As the holiday approaches, infectious disease specialists are bracing for the possibility that big family get-togethers and travel will propel the spread of RSV, flu and COVID-19.

Scientists are tracking a deadly bird flu outbreak that has infected wild birds in more than 30 states. Purging the nation's poultry supply may not be enough to keep the virus from sticking around.

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