October 2023: Nigeria’s Kwara state administered an immunization campaign against measles October 31, 2023
October 2023: The Philippine city of Puerto Princesa started a monthlong HPV immunization campaign October 31, 2023
October 2023: Bolivia’s El Alto city held an immunization effort against measles and rubella October 31, 2023
October 2023: Bangladesh’s Bandar subdivision ran the second round of an oral cholera vaccination campaign October 31, 2023
October 2023: South Sudan’s Awerial county in Lakes state led an anti-polio and anti-measles vaccination effort October 31, 2023
October 2023: Yemen launched a subnational vaccination effort against measles and rubella October 31, 2023