Volume 42, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A total of 340 strains, isolated from humans, animals, and sand flies from various regions of Colombia, were examined by isozyme electrophoresis. Seven different species were identified. and were the most common, representing 53.8% and 30.3% of the total, respectively. Isolation rates of the other species were as follows: , 9.4%; , 2.6%; , 1.8%; , 0.8%; and a new species requiring additional study, 1.2%. Statistical analyses of representative and isolates indicated that the populations of these 2 species are genetically very similar. may have a continuous distribution in Colombia west of the eastern Andes Mountains and may have a continuous distribution east of the western Andes Mountains. Information is given on disease manifestations of the parasites in human hosts and on isolation records from sand flies and animals.


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