‘Hundreds’ of undetected polio cases? Why the outbreak may be worse than known.

Advisory Board August 15, 2022

After the primary U.S. case of polio in practically a decade was confirmed final month, the virus is now circulating in New York Metropolis wastewater, suggesting there could also be “tons of” of undetected circumstances. Right here’s what well being officers are saying.

‘The tip of the iceberg’

In June, the U.Ok. Well being Safety Company (UKHSA) reported that it had found poliovirus in a number of sewage samples from North and East London in February and April, suggesting that there could have been transmission between people. Earlier than this, the final identified case of polio in Britain had been in 1984, and the nation had been polio-free since 2003.

In response, U.Ok. well being authorities declared the invention of poliovirus a “nationwide incident” and have expanded surveillance of sewage samples to pinpoint…

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