The patient has been involved in a motor vehicle collision a…

The patient has been involved in a motor vehicle collision and is complaining of lower back pain and the inability to feel or move his left leg. The patient’s right leg has normal sensation and movement. There is no indication of trauma to the left leg. Because only one leg is affected, the paramedic suspects:

A 56-year-old construction worker complains of an area of re…

A 56-year-old construction worker complains of an area of red, swollen, tender skin. He reports that the area is rapidly spreading. He denies any trauma. There are no primary or secondary lesions. Which of the following infections is most likely the cause of his complaint?