Rickettsial infections overview: Difference between revisions
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{{Rickettsial infections}} | {{Rickettsial infections}} | ||
{{CMG}} | {{CMG}} | ||
== Overview == | == Overview == | ||
Many species of Rickettsia can cause illnesses in humans (Table 4-18). The term | Many species of [[Rickettsia]] can cause illnesses in humans (Table 4-18). The term “[[rickettsiae]]” conventionally embraces a polyphyletic group of microorganisms in the class Proteobacteria, comprising species belonging to the genera [[Rickettsia]], [[Orientia]], [[Ehrlichia]], [[Anaplasma]], [[Neo-rickettsia]], [[Coxiella]], and [[Bartonella]].<ref>http://wwwn.cdc.gov/travel/yellowBookCh4-Rickettsial.aspx</ref> | ||
http://wwwn.cdc.gov/travel/yellowBookCh4-Rickettsial.aspx | |||
==History and Symptoms== | |||
Clinical presentations of rickettsial illnesses vary, but common early symptoms, including fever, headache, and malaise, are generally nonspecific. Illnesses resulting from infection with rickettsial agents may go unrecognized or are attributed to other causes. Atypical presentations are common and may be expected with poorly characterized nonindigenous agents, so appropriate samples for examination by specialized reference laboratories should be obtained.<ref>http://wwwn.cdc.gov/travel/yellowBookCh4-Rickettsial.aspx</ref> | |||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Disease]] | [[Category:Disease]] | ||
{{WH}} | |||
{{WS}} | |||
Latest revision as of 18:39, 18 September 2017
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Rickettsial infections Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Many species of Rickettsia can cause illnesses in humans (Table 4-18). The term “rickettsiae” conventionally embraces a polyphyletic group of microorganisms in the class Proteobacteria, comprising species belonging to the genera Rickettsia, Orientia, Ehrlichia, Anaplasma, Neo-rickettsia, Coxiella, and Bartonella.[1]
History and Symptoms
Clinical presentations of rickettsial illnesses vary, but common early symptoms, including fever, headache, and malaise, are generally nonspecific. Illnesses resulting from infection with rickettsial agents may go unrecognized or are attributed to other causes. Atypical presentations are common and may be expected with poorly characterized nonindigenous agents, so appropriate samples for examination by specialized reference laboratories should be obtained.[2]