Question no.372

A previously healthy male postal worker complains of fever, headache, myalgia and cough for the past 3 days.He reports that several of his coworkers have also been ill with similar complaints. His leukocyt count is normal with a relative lymphopenia. A chest X-ray shows only enlarged hilar shadows.


Which of the following is the most likely cause of his infection?
A) Influenza A virus.
B) Bacillus anthracis.
C) Francisella tularensis.
D) Yersinia pestis.
E) Clostridium Botulinum.