Polio Returns to Pakistan, Afghanistan Amidst Slowed Vaccination
25 Jan 2025
Poliomyelitis, once responsible for paralyzing and killing up to half a million people annually, nearly vanished after the development of the poliovirus vaccine in 1955. Mass vaccination campaigns, particularly the oral polio vaccine, had all but eradicated the disease by the turn of the century, with only a few regions...
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