Outbreak of Epidemic Keratoconjunctivitis Caused by Human Adenovirus Type D53 in an Eye Care Clinic --- Los Angeles County, 2017

This report details the first documented outbreak of adenovirus D53 epidemic keratoconjunctivitis in the United States. Seventeen epidemic keratoconjunctivitis cases were identified; after the primary case, all cases occurred in eye care clinic patients or their household contacts. Infection prevention lapses were associated with the outbreak, specifically improper ocular equipment disinfection.

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