Explanation

President Dr Arif Alvi on 15 October 2018 launched the national immunization drive against measles, under which children aging nine months to five years will be vaccinated during October 15-27. Measles is a highly contagious infectious disease caused by the measles virus . Symptoms usually develop 10–12 days after exposure to an infected person and last 7–10 days. Initial symptoms typically include fever, often greater than 40 °C (104.0 °F), cough, runny nose, and inflamed eyes.