This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Reservoir of Baonella angiomatosis - 
Select and explain. 
A. Cats, B. Dogs, C. Cattle, D. Pigs
A: Cats
Answer: A: Cats 
Explanation: <p> Bacillary angiomatosis is an HIV associated disease caused by B.quintana or henselae. Reservoir is cat. Reference:Ananthanarayan &Paniker&;s textbook of Microbiology,9th edition,page no:413. <\p>