| malaria transmission in a central area of futa djalon (guinea): results of a parasitological survey during the 1989 rainy season. | a malaria survey based on household surveys and dispensary visits without notice was carried out during the rainy season of 1989 in three selected areas of central futa djalon (republic of guinea). preliminary entomological evidence showed that anopheles gambiae was the main vector in the area with a cs positive rate of 7.6% and a human blood index of 78% in august 1989. indoor resting densities were highest in the rural village, lowest in labé and intermediate in the town of timbi madina (media ... | 1992 | 1339967 |