CDC : Elementary kids get eight to 12 cases or cases of the flu every other year . The ` ` germiest '' place may be the drinking water , they say . Hand - washing , sleep , regular exercise and a healthy diet are key to preventing infection .
CDC : Elementary kids get eight to 12 colds or cases of the flu every school year . The `` germiest '' place may be the drinking fountain , expert say . Hand-washing , sleep , regular exercise and a healthy diet are key to preventing illness .