From January 1 to April 26, 2019, more than 700 individual cases of measles (rubeola) have been confirmed in 22 states. This is the greatest number of cases reported in the U.S. since 1994 and since measles was declared eliminated in 2000. The CDC is tracking the outbreaks.

This virus represents a challenge to emergency medicine because it is very highly infectious and has been rarely seen in emergency departments in the recent past. Please see the ACEP fact sheet, below, about this disease for a review of its presentation, clinical course and implications for your emergency department.

ACEP Fact Sheet on Measles
Updated in April 2019 by the ACEP Epidemic Expert Panel

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