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The current measles outbreak of 64 cases from January through April 25 is the most reported for this time period since 2001. While no deaths have been reported, the Centers for Disease Control and Prevention expect the total to keep increasing.
Measles is highly contagious and can result in serious complications and death. Of the 64 cases, 54 were associated with importation of measles from other countries into the United Sates, and 63 of the 64 patients were not vaccinated or had unknown or undocumented vaccination status. To date, 14 (22%) patients have been hospitalized.
The largest outbreak, 22 cases, has been reported in New York City. Other confirmed cases have been reported from the following areas: Arizona (15), California (12), Michigan and Wisconsin (4 each), Hawaii (3), and Illinois, New York state, Pennsylvania, and Virginia (1 each).