Studies on Rocky Mountain spotted fever / U.S. Treasury Department, Public Health Service.

Date:
[1930]
Catalogue details

Licence: Public Domain Mark

Credit: Studies on Rocky Mountain spotted fever / U.S. Treasury Department, Public Health Service. Source: Wellcome Collection.

    114/150 (page 90)
    JO and 101 in 1923. These records are woefully incomplete, however, and for certain years represent half or less than half the test area. Maxey in 1908 figured the southern Idaho mortality rate as 5.86 per cent. In the test area it was 10 per cent in 1926 (three deaths, howing location of winler feed graunds of the. | woolgrowers thal operated on sage brush desert” in ; : est area. I® Outfits in which vaccinations were made. @ Oulfits in which no vaceypgfions were ;made. & Clee ; Z \ LLL: a \. Novtk lier = ‘Sawroomy NATIONAL 4 YY _fA OR —+~ a Came ES Ag orion X FB ANA TN Ef Oi ~@ jl Kaley Ax oF @ / . R Belfevyg WLittle Wood River Reservar od és Upp ae ty Salbron fedla 10 Niles Wilson Leke ; - ° . i =a Sahih x ef [Oita ate | /nfections mainly acquiredg Y=) CL A ME | Seltween rain line of Union TN] oes =e e e . . og, 1 . oo | Pacific (A) and south bound-éiwin Foils “se SZAver ory of Sawtooth Notional Forest (B) Oe aaa | Most of test orea between the Sneke River | ond the boundary of Sqwtooth National Forest | is “soge brush desert’ country, This is used os | Spring range until the summer range inthe ip | national forest /s ovailoble. Figurb 16.—Southern Idaho vaccination test area season of 1926 in persons, respectively, 45, 60, and 60 years of age) but there were no deaths in 1927. There are even fewer data concerning the occupational distribu- tion of cases. Maxey estimated that at least 38 per cent were among sheep herders. We believe that usually the percentage has been