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Papua New Guinea polio outbreak declared


An outbreak of polio has been confirmed in Papua New Guinea, 18 years after the country was declared free of the disease.

The World Health Organization (WHO) says the virus was detected in a six-year-old boy in April.

The same strain of the virus has now been detected in other healthy children in the same community, making it officially an outbreak.

Polio has no cure and can lead to irreversible paralysis.

It mainly affects children under the age of five, and can only be prevented by giving a child multiple vaccine doses.

  • A history of polio
  • What must Pakistan do to beat polio?

“We are deeply concerned about this polio case in Papua New Guinea, and the fact that the virus is circulating,” said Pascoe Kase, Papua New Guinea’s heath secretary.

“Our immediate priority is to respond and prevent more children from being infected.”

The US Centers for Disease Control and Prevention said at the end of last week that the same virus that was found in the six-year-old boy was also found in samples taken from two healthy children in the same community, the WHO said.

This means the virus is circulating in the community, representing an outbreak, it added.

Immediate steps to stop the spread of the highly contagious disease include large-scale immunisation campaigns and strengthening surveillance systems that help detect it early.

Papua New Guinea has not had a case of wild poliovirus since 1996, and the country was certified as polio-free in 2000 along with the rest of the WHO Western Pacific Region.

What is polio?

  • Polio, or poliomyelitis, mainly affects children aged under five
  • It is a highly infectious disease caused by a virus. It invades the nervous system and can cause total paralysis in a matter of hours
  • Initial symptoms include fever, fatigue, headache, vomiting, stiffness of the neck and pains in the limbs
  • One in 200 infections leads to irreversible paralysis. Among those paralysed, 5% to 10% die when their breathing muscles become immobilised
  • Only three countries in the world have never stopped transmission of polio: Pakistan, Afghanistan and Nigeria

Source: World Health Organization

Only 61% of children in the area affected – Morobe province on the northern coast of the country – currently receive the recommended three doses of polio vaccine, the WHO says.

Inadequate sanitation and hygiene were also issues, it added.

Because of the region’s isolation and the planned immunisation, the risk of the virus spreading to other countries is low, the WHO said.

There were some 20 cases of polio globally in 2017, with these cases occurring in just two countries: Afghanistan and Pakistan.


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