Articles on Polio vaccine

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Dr. Jonas Salk displays his polio vaccine, which he developed in a University of Pittsburgh laboratory. Bettmann/Bettmann Collection via Getty Images

The world risks forgetting one of humanity’s greatest triumphs as polio nears global eradication − 70 years after Jonas Salk developed the vaccine in a Pittsburgh lab

Polio may finally be defeated in the next 5 years. Will the world recognize what an extraordinary achievement that is?
Children today receive more vaccines than children did in the past, but due to advances in vaccine technology, today’s shots contain far fewer immune-stimulating molecules. SDI Productions/iStock via Getty Images Plus

RFK Jr. wants to scrutinize the vaccine schedule – but its safety record is already decades long

Federal officials are questioning the safety of the vaccine series children receive. Here’s the story of how the childhood vaccine schedule came about.
For much of the 20th century, Americans were used to seeing people bearing the signs of past polio infection. Genevieve Naylor/Corbis via Getty Images

‘Got polio?’ messaging underscores a vaccine campaign’s success but creates false sense of security as memories of the disease fade in US

Polio vaccines have been a massive public health victory in the US. But purely celebratory messaging overlooks the ongoing threat if vaccination rates fall.
In 1956, during the height of the polio epidemic in the U.S., health officials in Chicago offer polio shots at a public school. Bettmann via Getty Images

Polio vaccination rates in some areas of the US hover dangerously close to the threshold required for herd immunity – here’s why that matters

With poliovirus circulating in New York, health authorities worry that pockets of the county with low polio vaccination rates could give the virus a foothold.
Critical-care patients in the emergency polio ward at Haynes Memorial Hospital in Boston in August 1955. Associated Press photo

Fears of a polio resurgence in the US have health officials on high alert – a virologist explains the history of this dreaded disease

Health officials say the new case of polio in New York state and the presence of poliovirus in the municipal wastewater suggests that hundreds more could already be infected with the disease.
Preliminary research suggests that the omicron variant may potentially induce a robust immune response. Olga Siletskaya/Moment via Getty Images

Is the omicron variant Mother Nature’s way of vaccinating the masses and curbing the pandemic?

Some of the omicron variant’s unique properties – such as its ability to spread rapidly while causing milder COVID-19 infections – could usher in a new phase of the pandemic.
Brazilian football star Pele getting the COVID vaccine in Sao Paulo. Advice of Pele/Handout/EPA

From Elvis to Dolly, celebrity endorsements might be the key to countering vaccine hesitancy

From Queen Elizabeth to Willie Nelson, celebrities have long used their platforms to promote public health information. Why do people trust celebrities for health advice more than the government?

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