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Associated Press
FILE- This undated file image made available by The Centers for Disease Control and Prevention shows the Exserohilum rostratum fungus. Exserohilum, a kind of black mold, is the primary cause of a number of fungal meningitis cases afflicting people who got steroid back injections for pain. There are numerous ways a fungus might contaminate medications being made in  a lab. (AP Photo/The Centers for Disease Control, File)

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