821. The saga of trachoma is a sad tale of warm climates, dirt, dust and flies Subject(s): ChildWorld Health Organization
822. One or two generations ago, people accepted blindness caused by trachoma as inevitable Subject(s): WomenChildWorld Health Organization
823. [Health worker registers villagers for trachoma treatment] Subject(s): World Health Organization
824. 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
825. The saga of trachoma is a sad tale of dirt, dust, warm climates and flies Subject(s): ChildWorld Health Organization
826. Two members of the pupils' "Health Committee" in an Egyptian school. They are preparing the antseptics and absorbant cotton for the anti-trachoma treatment Subject(s): ChildHealth EducationHealth PromotionWorld Health Organization.
828. A preventable disease - river blindness - cost this man his sight Subject(s): World Health Organization
829. The fixed-wing aeroplane can make accurate insecticide drops at 60 mph over open stretches of river Subject(s): AircraftWorld Health Organization
830. A pest that causes all the trouble. A close-up of the blackfly, Simulium damnosum, feeding on human blood Subject(s): World Health Organization