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The 'milestone' in polio eradication achieved



  Health worker gives polio vaccine to child in Pakistan polio is still endemic
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<p class= The second of the three forms of polio virus has been eradicated, experts said.

There are three types of wild polio virus that, although scientifically different, cause the same symptoms, including paralysis or even death, i.e.

The world was declared Type 2 free four years ago – and now the World Health Organization has stated that Type 3 has also been eradicated.

But Type 1

is still circulating in Afghanistan and Pakistan.

Polio usually affects children under the age of five. According to the WHO, one in 200 cases causes irreversible paralysis. Death can occur when the respiratory muscles are affected by paralysis.

There is no cure, but the polio vaccine protects children for life.

  • What are vaccines and how do they work?

Wild polio cases have fallen by 99% since 1988.

The Type 2 declaration was deleted in 2015, 16 years after the last case was seen in India.

'Not completed'

Seven years have passed since the last case of polio type 3 in Northern Nigeria has been detected.

Since then, experts from the Global Polio Eradication Certification Commission, of which the WHO is a member, have been observing polio models to be sure Type 3 has been eradicated.

Speaking on World Polio Day, Dr. Matshidiso Moeti, WHO Regional Director for Africa, said: "Eradicating wild polio virus type 3 is a major milestone in the polio-free world – but we can't

"Countries need to enhance routine immunization to protect communities, strengthen routine surveillance so that we are able to detect even the smallest risk of recurrence of polio and ensure the timeliness and quality of the epidemic response in case of from "

Type 1 is already circulating only in Afghanistan and Pakistan. The last detected case in Nigeria, where it was also endemic, was in 2016.

But Dr Moeti added: "This work is not completed until the wild polio virus type 1 is eradicated worldwide, along with outbreaks of a circulating vaccine, i. polio virus obtained. "

Polio derived from a vaccine occurs where the coverage of the vaccine is low and poor sanitation.

Children who are immunized receive a weakened form of the polio virus so that their body can build immunity But they also secrete the virus, which can then spread to the community.

There are currently vaccine-derived polio virus outbreaks in 12 countries: Angola, Benin, Cameroon, Central African Republic, Chad, Democratic Republic of Congo, Ethiopia, Ghana, Niger, Niger Oia, Togo and Zambia.


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