LLEY OF THE MAGDALENA RIVER, EASTERN AND WESTERN FOOTHILLS OF THE CORDILLERA ORIENTAL FROM THE FRONTIER WITH ECUADOR TO THAT WITH VENEZUELA, URABA, FOOTHILLS OF THE SIERRA NEVADA, EASTERN PLAINS (ORINOQUIA) AND AMAZONIA; - MALARIA PROPHYLAXIS. MALARIA RISK - P. VIVAX (58%), P. FALCIPARUM (42%) - IS HIGH