Polio: The lowest number of cases ever reported in first 6 months of 2015

With a global tally of just 33 cases from two countries during the first six months of 2015, health officials are reporting the lowest number of cases ever during this time frame. During the same period last year, 122 cases in 9 countries were seen. With two additional wild poliovirus type 1 (WPV1) cases reported in the past ["]