Case Study #6: A 20 year old male college student develops a fever after gall bladder surgery and has a pus exudate around the incision. You receive a cotton swab of the exudate which you streak on a blood agar plate. Bacterial colonies on the plate show B hemolysis, and microscopic examination reveals Gram + cocci occurring singly, in pairs, and in short chains. Further testing reveals that the isolate is catalase negative and phenol red fermentation broth with mannitol turns yellow. 1. What is the name of the most likely bacterium causing this infection? 2. What is the most likely place that this bacterium originated to cause this infection?

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Wound infections

A wound is damaged or breaks in the surface of the skin. The wound is divided into two types, they are acute wound that includes minor cuts, laceration, bites, etc, and chronic wounds that can become slow to heal including ulcers on the legs and feet. Redness, pain, and swelling are signs of a wound.