A Comparative Study of Two Strains of Rocky Mountain Spotted Fever Virus with Special Reference to the Weil-Felix Reaction

1938 ◽  
Vol 53 (34) ◽  
pp. 1525 ◽  
Author(s):  
Gordon E. Davis ◽  
R. R. Parker
Keyword(s):  
Comparative Study ◽  
Special Reference ◽  
Spotted Fever ◽  
Rocky Mountain ◽  
Fever Virus ◽  
Rocky Mountain Spotted Fever

AN INVESTIGATION OF TICKS AS DISEASE VECTORS IN BANFF NATIONAL PARK, ALBERTA

1956 ◽  
Vol 34 (5) ◽  
pp. 417-423 ◽  
Author(s):  
A. W. F. Banfield
Keyword(s):  
National Park ◽  
Q Fever ◽  
Spotted Fever ◽  
Rocky Mountain ◽  
Adult Tick ◽  
Ovis Canadensis ◽  
Fever Virus ◽  
Rocky Mountain Spotted Fever ◽  
Banff National Park ◽  
The Common

A collection of 245 ticks (Dermacentor andersoni, Stiles, and Dermacentor albipictus, Packard) was made in the spring of 1953, from 17 localities in Banff National Park, Alberta. Laboratory tests indicated the presence of Colorado tick fever virus in three of 17 lots examined. One complement-fixation test was significantly positive for the Rocky Mountain spotted fever Rickettsia out of 19 tests. There was no indication of tularemia. One determination of the Q-fever virus was probably caused by laboratory contamination. The unfed adult ticks (D. andersoni) were found to be locally active from April 20 to June 22, 1953. The bighorn sheep (Ovis canadensis) was found to be the common local host of the adult tick. The Columbian ground squirrel (Citellus columbianus) was found to be the common host of the nymphs.

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