Wednesday, 7 October 2026
YHDP YHDP Preventive medicine information
and vaccination for everyone
Infectious diseases

Measles

Coverage of ≥ 95% is needed for herd immunity.

Transmission

Extremely contagious through the air (one case can infect 12–18 non-immune people) and by respiratory droplets.

Symptoms

High fever and the triad of cough, runny nose and red eyes (conjunctivitis); white Koplik spots inside the cheeks; a maculopapular rash that starts behind the ears and spreads over the whole body.

Complications

Severe pneumonia, subacute sclerosing panencephalitis (SSPE), blindness, severe malnutrition, and "immune amnesia" that makes the body prone to secondary infections.

People at high risk

Unvaccinated children, children under 9 months in outbreak areas.

Preventive vaccines