Who were the polio cases?
Who were the polio cases?
Wild poliovirus cases have decreased by over 99% since 1988, from an estimated 350 000 cases in more than 125 endemic countries then to 175reported cases in 2019.
What does polio epidemic mean?
Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person’s spinal cord, causing paralysis (can’t move parts of the body).
What type of epidemic is polio?
Polio is a highly infectious disease caused by a virus. It invades the nervous system, and can cause total paralysis in a matter of hours.
When was the most recent polio case?
Wild poliovirus type 2 was certified eradicated in 2015, the last case having been detected in 1999. Wild poliovirus type 3 has not been detected since 2012, and was certified eradicated in 2019.
How many cases of polio are there?
Since the Global Polio Eradication Initiative (GPEI) was launched in 1988 to eradicate all polio viruses, the global incidence has decreased by over 99% from an estimated 350 000 in 1988 in more than 125 endemic countries to 140 cases reported in two countries in 2020.
What caused polio?
Polio is caused by 1 of 3 types of the poliovirus. It often spreads due to contact with infected feces. This often happens from poor handwashing. It can also happen from eating or drinking contaminated food or water.
When was the first case of polio diagnosed?
The first epidemics appeared in the form of outbreaks of at least 14 cases near Oslo, Norway, in 1868 and of 13 cases in northern Sweden in 1881. About the same time, the idea began to be suggested that the hitherto sporadic cases of infantile paralysis might be contagious.
What are the 3 types of polio virus?
There are three wild types of poliovirus (WPV) – type 1, type 2, and type 3. People need to be protected against all three types of the virus in order to prevent polio disease and the polio vaccination is the best protection.
How many polio cases were there?
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 2019.
Are there cases of polio today?
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.
Where was the first case of polio in the world?
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. Polio is more common in infants and young children and occurs under conditions of poor hygiene.
Where is polio found?
Polio is still endemic in three countries, i.e., Pakistan, Nigeria and Afghanistan and is eradicated from the rest of the world. Pakistan is considered as the exporter of Wild Polio Virus (WPV) with highest number of polio outbreaks among endemic countries.
When did the polio virus start?