Is bacterial or viral conjunctivitis (pink eye) more common?

Updated: Mar 03, 2021
  • Author: Michael A Silverman, MD, FACEP; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Several studies demonstrate that acute conjunctivitis occurs with almost equal frequency between bacterial and viral causes. Fitch et al noted that viral conjunctivitis occurs more frequently in the summer, and bacterial conjunctivitis occurs more often in the winter and spring.

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