Poliovirus, the causative agent of polio (also known as poliomyelitis), is a serotype of the species Enterovirus C, in the family of Picornaviridae. [1] . There are three poliovirus serotypes, numbered 1, 2, and 3. Poliovirus is composed of an RNA genome and a protein capsid.

Jun 20, 2024 · 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. It can also lead to trouble breathing and sometimes death. The disease also is called poliomyelitis.

Oct 15, 2024 · Polio, or poliomyelitis, is a crippling and potentially deadly infectious disease. CDC and its national and international partners have made significant progress towards polio eradication. There are three types of wild poliovirus (WPV): type 1, type 2, and type 3.

In most people with a normal immune system, a poliovirus infection is asymptomatic. In about 25% of cases, the infection produces minor symptoms which may include sore throat and low fever. [3][5] These symptoms are temporary and full …

Polio (poliomyelitis) is a disease that can cause flu-like symptoms, brain inflammation and paralysis. It’s caused by poliovirus. Most people have no symptoms or mild symptoms, but some have permanent paralysis or weakness. There’s no cure. Wild poliovirus types 2 and 3 are eradicated, but type 1 still spreads in some parts of the world.

Mar 10, 2025 · Poliomyelitis (polio) is a highly infectious viral disease that largely affects children under 5 years of age.

Poliomyelitis is caused by poliovirus, which is a positive strand non-enveloped virus that occurs in three distinct serotypes (1, 2, and 3). Infection is mainly by the fecal-oral route and can be confined to the gut by antibodies induced either by vaccine, previous infection or …

May 9, 2024 · Poliovirus is highly contagious and causes polio, also called poliomyelitis, a serious and debilitating disease. Infection is more common in infants and young children. If you suspect polio, you should work with your state and local health department to order diagnostic testing.

Mar 24, 2023 · Polio is a highly contagious infection caused by the poliovirus. Most people infected with the virus develop no symptoms from it.

Sep 17, 2018 · Polio (also known as poliomyelitis) is a highly contagious disease caused by a virus that attacks the nervous system. Children younger than 5 years old are more likely to contract the virus than...