The disease is often epidemic in the winter due to low humidity. And cool,
normal people can be infected saliva. Sputum of patients with blown through sneezing or coughing, breathing
through the mouth can also be infected from the contaminated
patients can spread the infection for 1-2 days before and 1-2 days after onset. symptoms
of the flu that is easy for children younger than 2 years old child malnutrition. Children in the nursery
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