Texas fights against malaria.
Full title reads: "TEXAS".
Texas, United States of America (USA).
Several shots of the black workers spraying oil over water and clearing slums so the mosquitos, the main cause of malaria, cannot breed. This is part of the fight against malaria organised by Texas health authorities. Nurses leaving a building. A nurse taking blood from a man. She smears blood sample on a piece of glass for further analysis and writes something into a book. Nurses are informing county population and taking blood samples from those for whom they suspect have the illness.