Oroya fever

Definition

Oroya fever is a bacteraemic form of infection with Bartonella bacilliformis. Transmission is by bite from an infected Lutzomyia sand-fly, a type found only in the high Andes (>1000 metres). There is an incubation period of 3-12 weeks. The illness may range from mild to very severe. In severe cases, fever, chills, headache, sweating, aches, dyspnoea, confusion and seizures may occur.

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