A young boy had a flea bite while working in a wheat grain godown. After 5 days he developed fever and had auxiliary lymphadenopathy. A smear was sent to the lab to perform a specific staining. Which one of the following staining method would help in the identification of the following staining method would help in the identification of the suspected pathogen?
High-Yield Explanation
The young boy working in a wheat grain godown (habitat for rats) is likely to have been bitten by a rat flea. Fever and axillary lymphadenopathy is consistent with the presentation of Plague. Ref: Harrison's Principles of Internal Medicine, 16th Edition, Page 924; Medical Microbiology By MIMS, 2nd Edition, Page 372