Which of the following is a bacterial infection of the lungs that is one of the top ten causes of death in the US each year?

Pneumonia is an infection of the lungs, and bacterial pneumonia is a serious illness that is among the leading causes of death in the United States. The common cold affects the upper respiratory tract, strep throat infects the throat, and meningitis involves the membranes around the brain and spinal cord. Therefore, the best answer is bacterial pneumonia.

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