Rickettsia and Rickettsial Pox
Rickettsia are a group of bacteria that cause a number of serious human diseases, including the spotted fevers and typhus. Rod- or sphere-shaped, rickettsia lack both fl...
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Rickettsia
Rickettsia are rod- or sphere-shaped microorganisms known as atypical bacteria because, although they are bacteria, they have virus-like qualities. They cause diseases, characterized by ras...
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Rickettsia and Rickettsial Pox
Rickettsia