DURBAN, South Africa--Former entomologist Diarmid Campbell-Lendrum of the World Health Organization worries about nosebleeds more than the average person. That's because he's one of the estimated 12 million people worldwide afflicted with leishmaniasis --a potentially fatal parasitic disease characterized most often by lesions on the skin and/or mucus membranes--caused by the bite of a sandfly. [More]
Read More »