1921
Volume s1-30, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
USD

Abstract

Summary

  • 1.  A survey of natural immunity to yellow fever among the primates of Brazil has been going on for the past 15 years, more than 5,800 sera have been examined in all.
  • 2.  Sixty-five per cent were obtained from monkeys and 35 per cent from marmosets.
  • 3.  Immune primates have been found almost everywhere except in the seven states of the northeast, no extensive surveys having yet been carried out in that region.
  • 4.  The wide extent of specific immunity among primates captured in nature confirms the fact that jungle yellow fever has prevailed throughout most of Brazil during the past decade and a half.

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/content/journals/10.4269/ajtmh.1950.s1-30.733
1950-09-01
2017-11-19
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