An outbreak of measles was officially declared in February 2019 in select administrative regions in Luzon and Visayas including Metro Manila by the Philippine government.

The Department of Health (DOH) of the Philippines declared a measles outbreak in Metro Manila due to a 550% increase in the number of patients from January 1 to February 6, 2019, compared to figures of the equivalent period from 2018.

Health Secretary Francisco Duque III attributes the lowered trust on the government's immunization drive due to the Dengvaxia controversy.

[11] The United Nations International Children's Emergency Fund (UNICEF) said that the outbreak is caused by "failure of the health system" saying that the distribution of vaccines down to the barangay level has not worked properly.

[4] The Department of Health released an informercial featuring boxer Manny Pacquiao in order encourage parents and guardians to get their children vaccinated against measles in response to the outbreak.