| Rickettsiae |
Bacteria of the genus Rickettsia are carried as parasites by many ticks, fleas, and lice, and cause diseases such as typhus, rickettsialpox, Brill-Zinsser disease, Boutonneuse fever, Rocky Mountain spotted fever, and endemic typhus in human beings. Like viruses, they grow only in living tissue. ...
Ãâó: en.wikipedia.org/wiki/Rickettsiae
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| Rickettsiae |
Microorganisms similar to bacteria in most respects but generally capable of multiplying only inside living host cells; parasitic or symbiotic. (2)
Ãâó: ppathw3.cals.cornell.edu/glossary/Defs_R.htm
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