Without any symptoms and its source is "sewage" water.. A dangerous virus is spreading silently in New York!
Health officials in the US state of New York have warned of the expansion of "community spread" of the polio virus after it was discovered in samples of sewage from another county in the north of the state.
The state health authority said yesterday that the polio virus was detected in four samples from Sullivan County, two in July and two in August.
Most people infected with polio show no symptoms, but they can still transmit the virus to others within days or weeks.
Sullivan County is located dozens of miles northwest of Rockland County, where on July 21 officials announced the first case of polio in the United States in nearly a decade.
It turned out that the unknown young man had not been vaccinated.
The Sullivan County samples are genetically related to the Rockland County paralytic poliovirus case.
In this context, State Health Commissioner Mary T. Bassett urged residents again to make sure they receive the vaccine, saying: "A New Yorker being paralyzed by polio is something that really happens very often."
"Polio in New York today presents an imminent threat to all adults and children who have not been vaccinated or kept up to date with polio vaccinations," Bassett said in a prepared statement.
The virus has now been identified in sewage samples from three adjacent counties north of New York: Rockland, Orange and Sullivan.
The polio virus was also found in New York City sewage.
Officials said it's possible hundreds of people in the state have contracted polio but don't know it.
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