Fever, malaise, headache, sometimes shock, seizures. No specific therapy is known. Ribavarin, ventilation, and dialysis sometimes needed. Fever, conjunctivitis, cough, red blotchy rash. Children who have not had measles should be immunized with live attenuated measles vaccine at 12 months of age.
Inactivated vaccine produces short-lived protection.
Bite of an infective mosquito. Abrupt onset of fever, severe fever complications in survivors, with visual and nerve damage. Mosquito control and vaccination. Handshaking, drinking from an infected person's glass, playing with toys that are contaminated. Diarrhea, vomiting, dehydration, and low-grade fever.