Is it okay to go to school after recovering from type A flu in 3 days?

Feb 27, 2025 Source: Cainiu Health
Disease description:

The child was infected with influenza A; I thought it would take a long time to recover, but没想到 he got much better after just three days. However, I'm still hesitant to send him back to school, fearing he might infect his classmates. I'd like to ask: if influenza A symptoms resolve after three days, is it okay for the child to return to school?

Doctor's answer (1)
Dr. Ren Yi

Influenza A refers to type A influenza. Patients with type A influenza should rest at home for at least 7 days and must be free of symptoms for at least 48 hours after their fever subsides before considering returning to school.

During this period, patients should continue to monitor their health condition, ensure adequate rest, maintain good personal hygiene habits, avoid close contact with others, and reduce the risk of cross-infection.

After the fever subsides, if the patient's mental state has returned to normal, there are no obvious discomforts such as fatigue, headache, or muscle pain, appetite has largely recovered, and a reasonable amount of time has passed since the initial onset of illness, it may be acceptable to return to school. This is because viral load in the body usually has significantly decreased and the person's contagiousness has relatively diminished after the fever resolves and symptoms improve.

Even if the patient's physical condition allows returning to school, personal hygiene practices should still be observed, such as frequent handwashing and covering the mouth and nose with a tissue when coughing or sneezing, to prevent possible transmission of pathogens. Schools should also implement preventive measures, such as enhancing classroom ventilation and conducting regular disinfection, to ensure the health and safety of students and staff.