Volume s1-13, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



  • 1.  was found in the blood of 44.5 per cent of 119 Indians examined in the Tuira River basin, Darien Province, Panama.
  • 2.  The infection rate in native villages in the same region varied from 2 to 57 per cent and averaged 9.9 per cent in the 244 natives examined.
  • 3.  A few cases of infection with were found in the Chagres River valley, Panama, but all of these were recent arrivals from the Atrato River valley, Colombia.
  • 4.  No evidence was found that is pathogenic or in any way a significant problem of public health importance.
  • 5.  Southeastern Panama is an endemic center of infection with heretofore unknown in the geographical distribution of the parasite.


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