How common is polio in the world?
Polio does still exist, although polio cases have decreased by over 99% since 1988, from an estimated more than 350 000 cases to 22 reported cases in 2017. This reduction is the result of the global effort to eradicate the disease.
How many cases of polio are there a year?
The annual number of wild poliovirus cases has declined by more than 99.9% worldwide from an estimated 350,000 in 1988 when the Global Polio Eradication Initiative was launched. Of the three serotypes of wild poliovirus, type 2 was certified as eradicated in 2015 and type 3 was certified as eradicated in 2018.
What country has the most cases of polio?
Pakistan reported the world’s highest number of polio cases (198) in 2011.
What countries still have polio 2021?
Polio is still endemic in three countries, i.e., Pakistan, Nigeria and Afghanistan and is eradicated from the rest of the world.
What is the difference between polio and poliomyelitis?
Poliomyelitis, or simply Polio, is a highly contagious infectious disease caused by three types of poliovirus. The poliovirus is a virus that destroys nervous system causing paralysis.
Is polio a virus or disease?
Polio is a viral disease which may affect the spinal cord causing muscle weakness and paralysis. The polio virus enters the body through the mouth, usually from hands contaminated with the stool of an infected person.
What is the global prevalence of polio?
Cases due to wild poliovirus have decreased by over 99% since 1988, from an estimated 350 000 cases then, to 33 reported cases in 2018. As long as a single child remains infected, children in all countries are at risk of contracting polio.
What is poliomyelitis (polio)?
Polio, short for poliomyelitis, is an infectious disease that is caused and transmitted by a virus called the poliovirus. One of the severe symptoms of polio is paralysis and the disease is therefore also known as “infantile paralysis”.
How much progress has been made in the fight against polio?
Our Progress Against Polio. CDC and its international partners have made significant progress over the past 26 years. The number of worldwide polio cases has fallen from an estimated 350,000 in 1988 to 407 in 2013—a decline of more than 99% in reported cases.
How many people die when paralyzed by poliovirus?
Among those paralysed, 5% to 10% die when their breathing muscles become immobilized. Cases due to wild poliovirus have decreased by over 99% since 1988, from an estimated 350 000 cases then, to 33 reported cases in 2018.