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marked by recurring high fever and transmitted by the bite of infected lice or ticks; characterized by episodes of high fever and chills and headache and muscle pain and nausea that recur every week or ten days for several months

marked by recurring high fever and transmitted by the bite of infected lice or ticks; characterized by episodes of high fever and chills and headache and muscle pain and nausea that recur every week or ten days for several months

An acute infection characterized by recurrent episodes of pyrexia alternating with asymptomatic intervals of apparent recovery. This condition is caused by spirochetes of the genus BORRELIA. It is transmitted by the bites of either the body louse (PEDICULUS humanus corporis), for which humans are the reservoir, or by soft ticks of the genus ORNITHODOROS, for which rodents and other animals are the principal reservoirs.

See under relapsing.

Acute remitting fever, usually attacking a community.

A contagious bacterial fever often associated with famine and poverty.

An infectious f. produced by the Spirilium Obermeieri. Its peculiar course is made up of separate attacks of fever and malaise, lasting from five to eight days, with a similar period of remission of all symptoms.

once known as Five-day F., Seven-day F., Mild yellow F. (Med. ) A continued F., chiefly epidemic, attacking the ill fed, marked by abrupt relapses; one of the continued fevers known in this country, the others being typhus and typhoid.