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This microscope photo provided by the Centers for Disease Control and Prevention shows gram-negative, Haemophilus influenzae bacteria. The microorganism is one of the more common causes of pink eye in children. (William B. Cherry/CDC via AP)
This microscope photo provided by the Centers for Disease Control and Prevention shows gram-negative, Haemophilus influenzae bacteria. The microorganism is one of the more common causes of pink eye in children. (William B. Cherry/CDC via AP)