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Q fever in domestic and wild birds.

The authors report on the results of several years' research into the role of domestic and wild birds in the epidemiology and epizootiology of Q fever in Czechoslovakia. They examined 572 blood specimens taken from domestic birds in an area of endemic Q fever and found positive reactions to the complement-fixation test in hens, turkeys, ducks, geese, and pigeons, with hens showing the highest percentage of positive reactions. In addition, the susceptibility of hens to infection with Rickettsia burnetii was demonstrated experimentally, and excretion of R. burnetii in the stools of hens was demo…