The put up described measles as a extremely contagious viral respiratory an infection brought on by the measles virus. Signs, which normally seem inside seven to 12 days after publicity, however might take as much as 21 days, embrace excessive fever, cough, runny nostril, white spots within the mouth and purple, watery eyes which may be delicate to mild. A couple of days after the preliminary signs, a purple rash develops on the face and spreads to the legs and arms, normally lasting 4 to seven days. Signs final from one to 2 weeks.