Volume s1-5, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



  • 1.  There exists in the zone of Coto and Golfo Dulce (boundary zone between Costa Rica and Panama) a dermatosis which is contagious with tendency towards an epidemic character.
  • 2.  The clinical and serological characters and the influence of the arsenical treatment leads one to believe that it it a spirochetosis.
  • 3.  The form of the papules, their color, their mode of evolution, make one think of yaws.
  • 4.  Failure to find the spirochete was probably due to the rather advanced state of the disease.
  • 5.  The cases of yaws herein described, if correctly diagnosed, appear to be the first to be reported from Costa Rica.


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  • Received : 01 May 1925
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