Polio Eradication: UNICEF is a core partner in the Global Polio Eradication Initiative (GPEI), which aims to eradicate polio worldwide. Measles & Rubella: The organization works to eliminate measles and rubella through immunization campaigns and routine vaccinations. COVID-19 Vaccine Delivery: UNICEF has been instrumental in the global distribution of COVID-19 vaccines, particularly through the COVAX facility.