Paper I
Question
A fastidious bacteria of zoonotic origin associated with above condition
Answer
- [x] a) Coxiella burnetti
Coxiella burnetii (the causative agent of Q fever, acquired zoonotically, typically from contact with infected livestock — cattle, sheep, goats — or their birth products) is a well-recognized fastidious, obligate intracellular organism that does not grow on standard blood culture media, and is a classical cause of culture-negative infective endocarditis, requiring specialized serological (phase I/II antibody) or molecular diagnosis. E. coli, Proteus mirabilis, and Candida albicans are not classically associated with zoonotic transmission or with fastidious, culture-negative endocarditis in this manner.