| swine fever virus | A species of the pestivirus genus causing exceedingly contagious and fatal haemorrhagic disease of swine. (12 Dec 1998) |
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| symptomatic fever | Elevation of temperature following an injury. Synonym: symptomatic fever, wound fever. (05 Mar 2000) |
| syphilitic fever | The elevation of temperature often present in the early roseolous stage of secondary syphilis. (05 Mar 2000) |
| desert fever | A disease common in the San Joaquin Valley of California and certain additional areas in the southwestern U.S. As well as the Chaco region of Argentina, caused by inhalation of the arthroconidia of Coccidioides immitis; acute onset of symptoms resemble pneumonia or pulmonary tuberculosis, productive of sputum usually containing spores of the fungus, and accompanied by aches, malaise, severe headache, and occasionally an early erythematous or papular eruption; erythema multiforme or erythema nodosum may appear; the coccidioidin test is positive. Synonym: desert fever, San Joaquin fever, San Joaquin Valley disease, San Joaquin Valley fever, valley fever. (05 Mar 2000) |
| digestive fever | A slight rise of body temperature occurring during the period of digestion. (05 Mar 2000) |
| diphasic milk fever | tick-borne encephalitis (Central European subtype) |
| double quotidian fever | Malaria in which two paroxysms of fever occur daily. (05 Mar 2000) |
| drug fever | Fever resulting from an allergic reaction to a drug that clears rapidly on discontinuation of the drug. (05 Mar 2000) |
| Dumdum fever | A chronic disease, occurring in India, Assam, China, the area formerly known as the Mediterranean littoral areas, the Middle East, India, Pakistan, China, South and Central America, Asia, Africa caused by Leishmania donovani and transmitted by the bite of an appropriate species of sandfly of the genus Phlebotomus or Lutzomyia; the organisms grow and multiply in macrophages, eventually causing them to burst and liberate amastigote parasites which then invade other macrophages; proliferation of macrophages in the bone marrow causes crowding out of erythroid and myeloid elements, resulting in leukopenia, and anaemia, splenomegaly, and hepatomegaly which are characteristic, along with enlargement of lymph nodes; fever, fatigue, malaise, and secondary infections also occur; different strains of leishmaniasis donovani occur; leishmaniasis infantum in Eurasia, leishmaniasis chagasi in Latin America. Synonym: Assam fever, black sickness, Burdwan fever, cachectic fever, Dumdum fever, kala azar, tropical splenomegaly. (05 Mar 2000) |
| Dutton's relapsing fever | African tick-borne relapsing fever caused by Borrelia duttonii and spread by the soft tick, Ornithodoros moubata. Synonym: Dutton's relapsing fever. (05 Mar 2000) |
| icterohemorrhagic fever | Infection with the variety of Leptospira interrogans serotype known as icterohemorrhagiae, characterised by fever, jaundice, haemorrhagic lesions, azotemia, and central nervous system manifestations. Synonym: leptospirosis icterohemorrhagica. (05 Mar 2000) |
| Ilheus fever | A febrile illness caused by the Ilheus virus, an arborvirus (genus Flavivirus), and transmitted by a mosquito. See: Ilheus encephalitis. (05 Mar 2000) |
| inanition fever | An elevation of temperature in infants after reduction of fluid intake, diarrhoea, or vomiting; probably caused by reduced available body water, with reduced heat loss by evaporation; an analogous condition in adults is seen when exertion is continued in the face of dehydration. Synonym: dehydration fever, exsiccation fever, inanition fever. (05 Mar 2000) |
| Q fever | <infectious disease> An acute (abrupt-onset), self-limited febrile illness first reported in 1935 in Queensland, Australia. The Q is said not to be for Queensland, but for query since the cause of the disease was long a query (question mark). It is caused by the bacterium Coxiella burnetii, a rickettsia which mainly afflicts sheep and cattle but can be transmitted to humans who have contact with infected animals. Symptoms resemble those of influenza and include sudden onset of fever, headache, malaise, and pneumonia (interstitial pneumonitis) but no rash. (12 Dec 1998) |
| quartan fever | A malarial fever with paroxysms that recur every 72 hours or every fourth day, reckoning the day of the paroxysm as the first; due to the schizogony and release of merozoites from infected cells, with invasion of new red blood corpuscles by Plasmodium malariae. Synonym: quartan fever, quartan malaria. (05 Mar 2000) |