Polio - Wikipedia Following the introduction of polio vaccines in the 1950s, polio incidence declined rapidly [1] As of October 2023, only Pakistan and Afghanistan remain endemic for wild poliovirus (WPV)
Polio - Symptoms and causes - Mayo Clinic Polio is an illness caused by a virus that mainly affects nerves in the spinal cord or brain stem In its most severe form, polio can lead to a person being unable to move certain limbs, also called paralysis
Poliomyelitis - World Health Organization (WHO) Polio (poliomyelitis) mainly affects children under 5 years of age One in 200 infections leads to irreversible paralysis Among those paralysed, 5–10% die when their breathing muscles become immobilized
Polio | Definition, Symptoms, Vaccine, Facts | Britannica What is polio? Polio, or poliomyelitis, is a contagious viral disease caused by the poliovirus, which spreads primarily through contaminated food, water, or close contact with an infected person
Polio: Symptoms, Prevention, and Treatment - WebMD It's a virus that spreads easily between people who aren't vaccinated If you get polio, you might have no symptoms or get flu-like symptoms It’s less common, but the virus can make you very ill