Why Is Rickettsia Rickettsii Difficult to Grow in Culture

question 22

Multiple Choice

Why is Rickettsia rickettsii difficult to grow in culture?

• A) It is a double-stranded DNA virus.
• B) It is an obligate intracellular parasite.
• C) It is resistant to multiple antibiotics.
• D) It is an obligate anaerobe.
• E) It is Gram-negative.

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