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Rickettsia

type of bacteria that causes typhus, among other diseases

Rickettsia is a unique genus classified between a virus and a bacteria. The organism is unique in that it has a cell wall and exists only in living cells like a virus, but is susceptible to antibiotics like bacteria.

Rickettsia
Rickettsia rickettsii.jpg
Rickettsia rickettsii
Scientific classification
Domain:
Phylum:
Class:
Alphaproteobacteria
Order:
Family:
Genus:
Rickettsia

da Rocha-Lima, 1916

The method of growing Rickettsia in chicken embryos was invented by Ernest William Goodpasture and his colleagues at Vanderbilt University in the early 1930s.