Flu, short for influenza, is an acute respiratory infectious disease caused by the influenza virus.

(1) Symptoms: The incubation period of influenza is usually 1 to 2 days. Most of them start acutely with chills and fever, accompanied by headache, back and limb pain, sneezing, vomiting and so on. Individual children may have a temporary rash, or symptoms such as meningitis and diarrhea, and the fever may subside after 3 to 5 days, or about 10 days in severe cases. If the child's fever persists, coughing increases, and wheezing occurs, it is easy to cause pneumonia, and need to be sent to the hospital in a timely manner.

(2) Prevention: the rapid onset of influenza, the patient should be immediately isolated from healthy people, and do a good job of air disinfection and disinfection of eating utensils. During the influenza epidemic, fewer children to go to public **** place, go out should wear a mask, pay attention to public **** hygiene, do not spit. In addition, childcare workers should pay attention to indoor cleaning and ventilation.