Q fever is caused by the bacterium Coxiella burnetii, commonly found in sheep, goats and cattle. The bacterium can also infect pets, including cats, dogs and rabbits.
These animals transmit the bacteria through their urine, feces, milk and birthing products — such as the placenta and amniotic fluid. When these substances dry, the bacteria in them become part of the barnyard dust that floats in the air. The infection is usually transmitted to humans through their lungs, when they inhale contaminated barnyard dust.
July 24, 2014
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