Rhinoviruses cause most colds. Though symptoms of a cold and the flu are similar, the two illnesses develop at different rates, with colds often beginning slowly and the flu taking hold more quickly.
By 2022–2023, flu season returned to more of a prepandemic ... Antivirals work best when they are started within one to two days of symptoms (but “starting them later can still be beneficial ...
The previous record-high flu case peak in 2022-23, which reached nearly 53,000 ... What to know about how avian flu spreads With these symptoms, it can be hard to know what’s making you sick ...
Rhinoviruses cause most colds. Though symptoms of a cold and the flu are similar, the two illnesses develop at different rates, with colds often beginning slowly and the flu taking hold more quickly.