A case of polio was recorded in New York State, Rockland County, the first in the United States since 2013 .

This was announced by the local health authorities, thus signaling the return of the almost totally eradicated disease.

Polio, a disease that can affect the nervous system, is very contagious and very dangerous - often fatal - for those who are not vaccinated. Which is why the authorities have encouraged people at risk to get vaccinated.

Details of the infected person were not revealed, viral sequencing was confirmed by the Centers for Disease Control and Prevention. The strain most likely originated outside the US .

Health authorities point out that infected people can spread the virus even if they are not sick, symptoms can take up to 30 days to appear.

(Unioneonline / L)

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