Vaccination of foreign national's children against polio is underway in Qom, 140 km south of Iranian capital, as of Saturday (May 7). Mohammad-Taqi Soltani, a technical official at Qom health center, told IRNA here on Sunday. During the past two years, vaccination against polio had not been done due to the COVID-19 pandemic, the official said. Before the pandemic which started in December 2019, about 7,000 non-Iranian children under five were vaccinated against polio. Given by mouth, the polio vaccine protects children against poliomyelitis a disabling disease caused by poliovirus. By IRNA