Question

A man who complained of a sore throat, body aches, headache, and who had a fever began to cough up blood. Upon seeking medical treatment, it is learned that he has a bacterial infection, and antibiotic treatment is begun immediately. When questioned about outdoor activities, the patient did not recall anything unusual, except that he ran over a dead rabbit with his lawnmower a few days earlier. What is the bacterium that infected this man? What would this bacterium look like as a gram stain?

Answer 1

               The bacterium infected was Francisella tularensis cause disease called Tularemia - also called rabbit fever or deer fly fever-

              Francisella tularensis --Gram strain they are tiny,pleomorphic, poorly straining gram negative bacteria (0.2 to 0.5 by 0.7 to 1.0 microns) . In clinical specimans , these forms can be found intracellularly ,seen mostly as single cells.