Volume 28, Number 4—April 2022
Research Letter
Streptobacillus notomytis Bacteremia after Exposure to Rat Feces
Figure

Figure. Results of testing for the causative agent of rat-bite fever in a 70-year-old woman in Japan. A) Gram-stained blood smear showing chain-shaped gram-negative bacilli; original magnification ×1,000. B) Small, smooth colonies in culture of healthy human serum (provided by one of the authors of this article) on 5% sheep blood agar. Further testing identified the bacilli as Streptobacillus notomytis.
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