1 November 2024. The Ministry of Health, Cambodia launched a nationwide measles-rubella (MR) vaccination campaign to protect over 1.5 million children aged 9 to 59 months (under 5 years old). This campaign, led by the Ministry, received financial support from Gavi, the Vaccine Alliance, and technical support from the World Health Organization (WHO), UNICEF, and the Clinton Health Access Initiative (CHAI).