what is measels
Measles (Rubeola). A highly contagious viral infection caused by the measles virus. Symptoms appear 8-12 days after exposure and include a rash, cough, fever and muscle pains that can last 4-7 days.bout Measles. The symptoms of measles generally appear about seven to 14 days after a person is infected. Measles typically begins with. 1  high fever, 2  cough, 3  runny nose (coryza), and. 4  red, watery eyes (conjunctivitis).