241. The saga of trachoma is a sad tale of warm climates, dirt, dust and flies Subject(s): ChildWorld Health Organization
242. One or two generations ago, people accepted blindness caused by trachoma as inevitable Subject(s): WomenChildWorld Health Organization
243. [Health worker registers villagers for trachoma treatment] Subject(s): World Health Organization
244. One infectious eye disease alone - trachoma - has left some two million sufferers blind around the world, like this old man at an eye clinic in Burma. The answer to this major public health problem is prevention-Before it is too lateto effect a cure Subject(s): World Health Organization
245. The saga of trachoma is a sad tale of dirt, dust, warm climates and flies Subject(s): ChildWorld Health Organization
247. A preventable disease - river blindness - cost this man his sight Subject(s): World Health Organization
248. The fixed-wing aeroplane can make accurate insecticide drops at 60 mph over open stretches of river Subject(s): AircraftWorld Health Organization
249. A pest that causes all the trouble. A close-up of the blackfly, Simulium damnosum, feeding on human blood Subject(s): World Health Organization
250. The dull patch in a victim's eye shows where the parasitic worm transmitted by the black-fly's bite has caused irreparable damage. The only real answer to onchocerciasis is to wipe out the fly wherever there are human settlements Subject(s): World Health Organization