With global eradication of polio tantalizingly within reach, World Polio Day celebrates one of the world’s greatest vaccine success stories—and reminds us of the importance of routine vaccination.
Polio, which can lead to paralysis and death, is caused by a virus and spread by poor sanitation. Before the vaccine, it was frequently contracted by children, most of whom did not develop serious symptoms.
In 1948, “miracle worker” Dr. Jonas Salk received a grant to study polio. By 1955, a successful vaccine was available, and by 1979, polio had been eradicated in the United States.
But as with COVID, the vaccine only works if people take it. Global vaccination efforts effectively eliminated polio everywhere except Pakistan, with 84 cases in 2020, and Afghanistan, with 56 cases last year. Unfortunately, post-Taliban takeover, Afghanistan faces multiple health crises—including risk of a polio resurgence.
There’s good news: Polio vaccination of children will resume in Afghanistan for the first time in three years on Nov. 8, and a campaign will begin in Pakistan in December, the Polio Eradication Initiative announced. The campaigns will reach millions of children, with a goal of complete eradication.
“We’ve reduced cases by 99.9% since 1988,” says endpolio.org. “Unless we eradicate polio, within 10 years, as many as 200,000 new cases could occur around the world each year.”
Sunday is World Polio Day—learn more, including events and how to help.
Read more about the importance of routine vaccinations.
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