JUBA, Feb. 12 (Xinhua) -- South Sudan, in partnership with United Nations agencies, launched the fourth round of the polio vaccination campaign on Wednesday, with the goal of vaccinating 3.47 million children between the ages of 0 and 59 months.
Harriet Pasquale Akello, undersecretary in the Ministry of Health, said the vaccination aims to eliminate transmission of poliomyelitis among children across the country.
