How does Propionibacterium acnes cause acne in humans?
A. Overuse of antibiotics can cause bacteria to clog pores in humans.
B. This type of bacteria is found on the human skin, and it can clog pores.
C. This type of bacteria often enters a cut and causes an infection in humans.
D. Close contact with an infected person can lead to acne in humans.
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B. This type of bacteria is found on the human skin, and it can clog pores.
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