PN stands for various terms. Discover the full forms, meanings, and possible interpretations of PN across different fields and industries.
Polio is a contagious viral illness that in its most severe form causes paralysis, difficulty breathing and sometimes death.In the U.S., the last case of naturally occurring polio happened in 1979. Today, despite a concerted global eradication campaign, poliovirus continues to affect children and adults in Afghanistan, Pakistan and some African countries.
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