A 12-year-old male living in Nevada suddenly found a deep hole in his yard while playing. Twenty-three hours later the child becomes acutely ill, with temperature of 39.3°C prostration and septic. Multiple tender nodular lesions are palpated his right axilla. A Blood culture reveals a cocco- bacillary organism on the gram stain, with bipolar ends. Which of the following pathogenic organism would likely induce his sudden toxic presentation? Answers A - E A Chlamydia psittaci B Mycoplasma pneumoniae C Rickettsia rickettsii D Chlamydia pneumoniae E Yersinia pestis
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