Common cold a flu.Flu is an infection of the nose, throat and upper respiratory tract infection, sometimes called viral URI, which collectively contain viruses, it is important for Rhino-viruses Coryza. Other types of infection with Respiratory syncytial virus, Adenoviruses, when infection into the nose and throat, swollen nasal membranes, and will cause the Red. With the back of the mucus comes out even when the disease is cured within 1 week, but it is a disease that brings patients to a doctor, on average, most kids will be flu, 6-12 times per year. Adults will be 2-4 times more often than men because women are closer to children. Older man perhaps once a year.
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