Q fever in 1988-1989.
D000368:Aged; D000818:Animals; D003381:Coxiella; D004196:Disease Outbreaks; D004197:Disease Reservoirs; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011778:Q Fever / Q000453:epidemiology* / Q000635:transmission; D013557:Switzerland / Q000453:epidemiology