Question: What can make lungs more at risk for infection by streptococcus?\nOptions:\n- (A) Allergies\n- (B) bacteria\n- (C) Pollution\n- (D) injury\n- (E) fungi\n- (F) sweating\n- (G) the skin\n- (H) smoking
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Pneumonia may be caused by an infection or injury of the lungs. Streptococcal pneumonia is caused by the bacteria Streptococcus pneumoniae. Streptococcus can infect the lungs following injury.
The answer: (D).
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