Volume 24, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Four species of primates, baboon (), patas monkey (), green monkey () and chimpanzee () were inoculated with third-stage larvae of a human strain of from Cameroon, West Africa. The baboon and patas monkeys developed patent infections after 135 to 148 days; the green monkeys and chimpanzee did not. In each animal which became patent, microfilaremia rose rapidly to high levels. In the baboon, but not in the patas monkeys, there was a suppression of microfilaremia during the 4th month of patency. After splenectomy, microfilariae reappeared in the peripheral blood in large numbers. In both baboon and patas monkeys, the microfilariae of maintain the diurnal periodicity so characteristic of their behavior in man.


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