The head of the World Health Organization (WHO) vowed on Wednesday to “end the scourge of neglected tropical diseases”, which affect more than a billion mainly poor people, and thrive where there is little access to quality health services, clean water, and sanitation.The head of the World Health Organization (WHO) vowed on Wednesday to “end the scourge of neglected tropical diseases”, which affect more than a billion mainly poor people, and thrive where there is little access to quality health services, clean water, and sanitation.Read MoreUN News – Health