Four nations report total of 9 new polio cases
Afghanistan officials have reported 3 new cases of wild poliovirus 1 (WPV1), while Papua New Guinea (3 cases), Nigeria (2 cases), and the Democratic Republic of the Congo (DRC, 1 case) have all reported cases involving circulating vaccine-derived poliovirus (cVDPV), according to a weekly update today from the Global Polio Eradication Initiative (GPEI).