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- Polio, state of emergency in New York: “Traces of the virus have been found in the waters of five counties” ilmessaggero.it
- New York State declares polio emergency ANSA agency
- Poliomyelitis, traces of the virus in the waters of five counties of the State of New York: the state declared … Daily fact
- USA: polio in New York declared a state of emergency the Republic
- USA: New York State declares polio emergency The sun 24 hours
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