A relentless global health campaign has brought a devastating disease to the absolute brink of extinction.In 1980, wild poliovirus paralyzed more than 350,000 people across 125 countries, striking fear into families worldwide. Thanks to a massive, coordinated global vaccination effort, cases have plummeted by more than 99.9%. Today, the wild virus remains endemic in only two countries, Afghanistan and Pakistan, making polio the closest humanity has ever come to completely eradicating a human disease since smallpox.
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