Abstract
In 1979, 110 people associated with a local rural abattoir presented with an acute febrile illness thought to be Q fever. Of these, 70 were shown by serotesting to have had Q fever and 1 was shown to have had leptospirosis alone. Four individuals had mixed infections of Q fever with another zoonotic infection, 2 with leptospirosis and 2 with brucellosis. Only 44% of suspected cases of Q fever had complement-fixing antibodies to Q fever 4 wk after the infection, but 74% had antibodies 12 wk after infection. This epidemic of Q fever occurred soon after the abattoir began to slaughter feral goats for the 1st time; the epidemic may have been related to the introduction of this practice.

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