Cold And Flu Symptoms 2024. Some have no symptoms, or mild symptoms, and others may suffer from severe disease. With infection rates of flu, the jn.1 variant of covid and rhinovirus on the rise, we answer the key questions on symptoms and treatment.

Wolfe says that hmpv is a late bloomer, with infections picking up when flu and rsv drop, so it’s not unusual to see more cases in the late winter and early spring. Flu symptoms usually appear about 1 to 4 days after exposure to an influenza virus.