The Centers for Disease Control and Prevention has deployed a federal team to New York to investigate the case of polio detected in Rockland County.
"CDC continues to collaborate with the New York State Department of Health to investigate a recent case of paralytic polio in an unvaccinated individual from Rockland County," the federal health agency said in a statement to ABC News.
On July 21, the New York State Health Department announced a patient in Rockland County had contracted a case of vaccine-derived polio, the first case in the United States in nearly a decade.
5, 11 samples were genetically linked to the Rockland County patient including six samples collected in June and July from Rockland County and five samples collected in July from nearby Orange County, health department data shows.
The statewide rate of polio vaccination is 78.96% while the Rockland County rate sits at 60.34%, state data shows.
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