1921
Volume s1-21, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

The Public Health Service vaccine for the prevention of Rocky Mountain spotted fever is made from virus-laden tissues of infected adults of the Rocky Mountain wood tick, . The evidence of the protective value of this vaccine is embodied in 3 groups of data covering its use in the Rocky Mountain region and adjacent areas, i.e., throughout the range of its western vector, . The first and by far the most significant set of data concern 15 years' use in the much publicized western Montana area of highly fatal infections; the second, the results of a 2-year test made in 1926 and 1927 in a highly exposed occupational group in a southern Idaho area where the casefatality rate was low; while the third consists of somewhat less significant evidence from 13 years' use in sections of the West other than the western Montana area.

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/content/journals/10.4269/ajtmh.1941.s1-21.369
1941-05-01
2018-12-12
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