rickettsiose

OBS: Les rickettsioses comprennent notamment les typhus, dont le typhus exanthématique, les fièvres boutonneuses transmises par les tiques, la fièvre des tranchées transmise par le pou et la fièvre Q.

CONT: Rickettsiae comprise a group of microorganisms that phylogenetically occupy a position between bacteria and viruses. ... A general characteristic of rickettsiae is that mammals and arthropods are natural hosts. Rickettsioses usually are transmitted to humans by arthropods. ... Eighteen rickettsioses, caused by ... rickettsiae, are recognized ...
OBS: spotted fever: term also used to refer specifically to the ""Rocky Mountain spotted fever"" or to any tick-borne rickettsiosis. It is therefore preferable to use one of the other terms.

OBS: Las manifestaciones clínicas, tras un período de incubación que dura una media de 7 días, incluyen la tríada fiebre, cefalea y exantema, excepto en la fiebre Q en la que no aparece erupción alguna.