Any guess who brought this to our shores?

Westchester County Airport

“Welcome, strangers! You’re now free to roam about your new country!”

Polio shows up on Long Island, first case in 10 years

The sequencing showed revertant polio Sabin type 2 virus.

"This is indicative of a transmission chain from an individual who received the oral polio vaccine (OPV), which is no longer authorized or administered in the U.S., where only the inactivated polio vaccine (IPV) has been given since 2000," the department wrote. "This suggests that the virus may have originated in a location outside of the U.S. where OPV is administered, since revertant strains cannot emerge from inactivated vaccines."

Legal immigrants and visitors must show proof of vaccination before being allowed entry (and proof that they won’t become a “public charge”. Illegals do not.