The United States is on track to surpass the record number of measles cases in a single year since the disease was declared eliminated in 2000, according to figures reported on Monday. For the fourth week in a row, health officials have added dozens of new cases to the annual list of confirmed ones, bringing the total to 626 – already the highest number in the last five years.
The number of people sickened by Highly contagious, potentially deadly disease increased by 71 during the third week of April, with 22 states reporting cases. In 2014, the United States had a record of 667 cases, including one major outbreak, mainly among unvaccinated Amish communities in Ohio, which accounted for more than half of cases in that year.
Health officials said they expect 2019 case cases to jump in the coming weeks because of increased disease spread during Easter and Passover gatherings. Officials in New York City, the location of the largest outbreak in the country, are particularly worried. At least 303 cases have been reported this year, virtually all in Brooklyn. New York City Health Commissioner Oxiris Barbot said she is bracing for an increase.
"Because of the tinnitus' long incubation period, we know this outbreak will get worse before it gets better," she said last week.
The CDC Figures, updated Monday, report cases since April 18, before the start of the holidays.
The states that reported cases to the Centers for Disease Control and Prevention are Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois , Indiana, Iowa Kentucky, Maryland, Massachusetts, Michigan, Missouri, Nevada, New Hampshire, New Jersey, New York, Oregon, Tennessee, Texas and Washington.
The outbreaks are linked to travelers who Officials said. In some communities, anti-vaccine activists have spread fals.  The majority of people who have fallen ill have been unvaccinated, officials said.In some communities, anti-vaccine activists have spread fals e claims about the measles, mumps and rubella vaccine, fueling refusal or hesitancy among parents about immunizing their children. When many people in a community have not been vaccinated, the disease can spread rapidly. It can cause serious complications among all age groups, especially young children, adults with weakened immune systems and very elderly.
The CDC defines an outbreak as three or more cases. In addition to New York City, there are outbreaks in California; Rockland County, N.Y .; New Jersey; and Michigan, where almost all 43 cases are linked to one man who traveled to Detroit area from Brooklyn, unaware that he had measles.
California has 23 cases, including four in San Mateo County, which include a adult who visited Google headquarters in Mountainview, and 13 cases in Butte County in northern California, the region devastated by the most destructive wildfire in history.
In Washington state, 74 people contracted the infection, including 63 who were unvaccinated. Health officials are expected to declare that outbreak over if no more cases are reported by Wednesday. That's two incubation periods (42 days) without new cases.
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