1921
Volume s1-20, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary and Conclusions

  • 1.  The technic for a modified intracerebral yellow fever protection test in mice is described, together with a discussion of the factors to be standardized.
  • 2.  Judgments of antibody content of a serum are best based upon a detailed knowledge of the behavior of known non-antibody containing sera of the same species in a properly balanced and controlled protection test.
  • 3.  Some groups of animals (and probably some birds) exhibit a non-specific activity against yellow fever virus, and protection tests with sera of these animals require more than the usual amount of virus.
  • 4.  Standards of negativity are established for the mammals and some of the birds of Eastern Colombia.
  • 5.  The use of the average survival time to measure protection test results is described.

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/content/journals/10.4269/ajtmh.1940.s1-20.809
1940-11-01
2017-11-21
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