Polio is back — how concerned should Americans be?

Understandably, these events have sparked a lot of questions: Why does one case of polio worry officials? What does it mean to find poliovirus in wastewater? Who should be worried…

Polio: New York governor declares state disaster emergency amid circulating poliovirus evidence, samples found in 5 counties

Sequence analysis of wastewater surveillance from the Centers for Disease Control and Prevention found poliovirus samples in Nassau County, bringing the total to 5 counties — Rockland County, Orange County, Sullivan County,…

Wastewater surveillance becomes more targeted in search for polio, monkeypox and Covid-19

Some disease detectives in the United States are narrowing their wastewater surveillance efforts to zero in on specific buildings and to identify hot spots for a growing list of diseases.…

Why some vaccinated people can still spread polio

One case — and evidence in sewage of more spread — may not sound significant, and Americans are highly vaccinated against polio, meaning most people are protected from paralysis. According…

My mother’s walk through life with polio

She contracted polio in her native Argentina in 1941 when she was two years old, more than a decade before the polio vaccine was invented by Jonas Salk. As her…

Polio May Have Been Spreading in New York Since April

Polio may have been circulating widely for a year, and was present in New York’s wastewater as early as April, according to a new report from the Centers for Disease…

Polio Has Been Detected in New York City Wastewater, Officials Say

Polio outbreaks incited regular panics decades ago, until a vaccine was developed and the disease was largely eradicated. Then on Friday, New York City health authorities announced that they had…

London Plans Polio Vaccine Boosters as More Virus Is Found in Sewage

LONDON — Every child in London age 1 to 9 should be offered a booster dose of polio vaccine, the British health authorities said on Wednesday, after traces of the…

Rare Case of Polio Prompts Alarm and an Urgent Investigation in New York

The scene in Rockland County on Friday morning might well have been from a time capsule: residents rolling up their sleeves and getting vaccinated for polio, the highly infectious and…

First Polio Case in Nearly a Decade Is Detected in New York State

A case of polio has been identified in an unvaccinated adult man in Rockland County, officials said. The New York State Department of Health and its Rockland County counterpart confirmed…