Atypical Measles Syndrome (AMS)
Atypical Measles Syndrome (AMS) is an altered expression of measles, AMS begins suddenly with high fever, headache, cough, and abdominal pain. The rash may appear 1 to 2 days later, often beginning on the limbs. Swelling (edema) of the hands and feet may occur. Pneumonia is common and may persist for 3 months or more. AMS is thought to occur in persons who were incompletely immunized against measle. In other words, the immunization did not work.