Guinea worm disease
There were 3.5 million Guinea worm disease cases in 21 countries in Africa and Asia in 1986. According to the Carter Center, 25 human cases of Guinea worm disease in three countries were reported in 2016.
The first three months of 2017, only three cases have been reported, all from Chad.
However, according to a World Health Organization (WHO) Weekly Outbreak Bulletin today, it is reported that there were 21 suspected cases of Guinea worm reported from Tonj East County, in Warrap State in northwest South Sudan.