Health workers from Barangay Salitran 3 and the City Health Office of Dasmarinas City, Cavite, administer mass oral polio vaccines to children 5 years old and below at the Molino Homes II Subdivision covered court on Feb. 18. Children 9-59 months old will be given the measles-rubella vaccine while those 0-59 months old will be provided with an oral polio vaccine.