Although measles was declared eliminated from the United States in 2000, a large number of cases have been reported this year. Elimination means that measles does not circulate year-round in the country anymore; however, measles cases continue to occur every year in the United States.

From Jan. 1 to April 18, 129 measles cases were reported, including 58 in California (

). Of these reported cases, 95% (122 cases) were associated with international travel, including 34 infected travelers who brought the disease into the United States. Eight of the 34 direct importations were among unvaccinated children ages 6 to 15 months. Most of these children were unvaccinated because of missed opportunities, but a few of their parents chose not to vaccinate them.

Photo courtesy of the AAP Red Book

Many physicians have never seen a case of measles and may not...

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