May 2023: Thailand started a nationwide vaccination campaign against Covid-19 and influenza May 31, 2023
May 2023: Brazil’s Minas Gerais state extended a vaccination campaign against meningitis May 31, 2023
May 2023: South Sudan’s Eastern Equatoria state launched an integrated follow-up vaccination campaign against measles May 31, 2023
May 2023: Malawi ran an integrated nationwide SIA campaign against measles, rubella, polio and typhoid May 31, 2023
May 2023: The Philippines will carry out a nationwide supplemental immunization activity (SIA) campaign May 31, 2023
May 2023: Gambia ran a nationwide outbreak response vaccination campaign against measles and rubella May 31, 2023