These strategies have proved successful: two decades of eradication efforts have reduced its global incidence to 4,619 cases in 2008, down from an estimated 3.5 million in 1986, although success has been slower than was hoped-the original goal for eradication was 1995.
These strategies have proved successful: two decades of eradication efforts have reduced its global incidence to 3,208 cases in 2009, down from an estimated 3.5 million in 1986. Success has been slower than was hoped-the original goal for eradication was 1995.