This Oral Poliomyelitis Vaccine (OPV) image shows a multidose presentation intended for oral administration. OPV is used in immunization programmes to help prevent poliomyelitis, a highly infectious viral disease that can affect the nervous system and may lead to paralysis. Because it is administered as oral drops, it is especially useful in large-scale immunization campaigns. Based on the label, this vial is a 2 ml / 20 dose presentation. The exact formulation should be verified against the official product insert before publishing.