HEALTH: Dengue vaccine - still a long way off

HEALTH: Dengue vaccine - still a long way off:

LONDON, 11 September 2012 (IRIN) - Dengue fever is classed by the World Health Organization (WHO) as a “major international public health concern”. WHO estimates that it infects 50-100 million people a year; it is a leading cause of death among children in Asia and Latin America, and it is now spreading outside its traditional heartlands to Africa and the Middle East.