For every reported case of polio, hundreds more people may be infected, health officials said.

“I urge New Yorkers to not accept any risk at all,” said Bassett.

Polio is a viral disease thatdisabled more than 35,000 people each yearin the 1940s before there was a vaccine.

It was declared eliminated from the US in 1979.

Most peoplewho contract polio have only mild or no symptoms, but others can become paralyzed or die.

But polio is a vaccine-preventable disease, and most adults today were vaccinated against polio as children.

It’s also arequirement for attending public schoolsin New York.