A worker walks alongside the Newtown Creek Wastewater Treatment Plant's array of digester eggs in the Greenpoint neighborhood of Brooklyn, New York. Officials revealed last month that polio has shown up in New York sewers, suggesting it is spreading, Aug. 12, 2022.
The United States saw its first polio case in nearly a decade this summer. The virus has also infected several children in Israel this year and has been found in London's wastewater. Genetic analysis has linked some of these cases to the oral vaccine long used to prevent polio.
To discuss the situation, The World's host Carol Hills spoke with Oliver Rosenbauer, the spokesperson for polio eradication at the World Health Organization, who joined from Geneva.
This interview has been lightly edited and condensed for clarity.
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