#rickettsiae

[er-cryptid]

Rickettsiae

[er-cryptid]

Rickettsiae

-- bacteria

-- very small

-- gram-negative

-- intracellular parasites

-- discovered in 1909 by Harold Taylor Ricketts

-- found in the blood of patients who had Rocky Mountain Spotted Fever

-- non-motile

-- non-spore-forming

-- noncapsulated

-- 0.3 to 1.0 micrometers

-- transmitted to humans via insect bites

-- responsible for several febrile diseases

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