This is the first patient identified for almost a decade.
The United States recorded a case of polio on Thursday.
A person residing in Rockland County, 30 miles (48 km) north of Manhattan, has tested positive for the disease, with his case indicating "a chain of transmission from an individual who received the oral polio vaccine (OPV)", d according to a statement from New York State health authorities.
This vaccine has not been used in the United States since 2000, which suggests that the origin of the virus could come "from a place outside the United States where OPV is administered", detailed the new health officials. yorkers.
The oral poliomyelitis vaccine can cause contamination in others but not in the vaccinated person.
The last known case dates back to 2013
Health officials have asked doctors to monitor for possible new cases and urged county residents to get vaccinated.
The last known case of polio in the United States was in 2013, according to the Centers for Disease Control and Prevention (CDC).
This highly infectious viral disease, which largely affects children under the age of 5, has been virtually eradicated worldwide.
Cases have fallen by 99% since 1988, when polio was still endemic in 125 countries and 350,000 cases were recorded.
Contaminations declined sharply in the late 1950s and early 1960s in the United States, with the development of a vaccine.
The last natural infection in the United States dates from 1979.
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