Term
|
Definition
small gram (-) coccobaccilli
obligate intracellular parasites |
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Term
|
Definition
| arthropods, rodents and humans |
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Term
|
Definition
transovarial passage
arthropod to mammal/louse/human |
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Term
|
Definition
| intracellular replication and cell death |
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|
Term
| pathogenesis R. prowazekii |
|
Definition
| classical epidemic typhus |
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Term
|
Definition
|
|
Term
|
Definition
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|
Term
| pathogenesis Orientia tsutsugamushi |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
weil felix reactions (shares properties with proteus)
serological test |
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|
Term
|
Definition
|
|
Term
|
Definition
removal of ticks
vaccines for typhus and Q fever
insecticides and repellents |
|
|
Term
| R. prowaskii -> classical epidemic typhus |
|
Definition
| myalgia/arthralgia -> petichial rash (trunk to extremities) |
|
|
Term
| Rickettsia typhus -> murine (endemic) typhus |
|
Definition
| flea borne -> sporadic throughout the world -> milder version of epidemic typhus |
|
|
Term
| Rickettsia richettsii -> spotted fevers |
|
Definition
| fever, chills, myalgia -> petichial rash (extremities to trunk) |
|
|
Term
| Orientia tsutsu gamushi -> scrub typhus |
|
Definition
| mites ("chiggers") -> fever, maylgia -> macular rash (trunk to extremities) -> ?scab at the site of the bit of the mite" |
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|
Term
| odd man out, how? - richettsia, orientia and coxiella transmission |
|
Definition
codiella, transmitted via aerosol or infected milk
other two are transmitted via arthropod |
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