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Polio in Papua New Guinea

Warning - Level 3, Avoid Nonessential Travel
Alert - Level 2, Practice Enhanced Precautions
Watch - Level 1, Practice Usual Precautions

Key points

  • There is a polio outbreak in Papua New Guinea.
  • CDC recommends that all travelers to Papua New Guinea be vaccinated fully against polio.
  • Before traveling to Papua New Guinea, adults who completed their routine polio vaccine series as children should receive a single, lifetime adult booster dose of polio vaccine.
  • The current outbreak in Papua New Guinea is caused by vaccine-derived poliovirus, a sign of low polio vaccine coverage in the country.

What is polio?

Polio is a crippling and potentially deadly disease that affects the nervous system. It is spread through contact with the feces (poop) of an infected person. It is also spread by drinking water or eating food that is contaminated with infected feces.

Most people with polio do not feel sick. Some people have only minor symptoms, such as fever, tiredness, nausea, headache, nasal congestion, sore throat, cough, stiffness in the neck and back, and pain in the arms and legs. In rare cases, polio infection causes permanent loss of muscle function (paralysis). Polio can be fatal if the muscles used for breathing are paralyzed or if there is an infection of the brain.

What is vaccine-derived polio?

The oral polio vaccine (made from a weakened strain of the poliovirus) is given as drops in the mouth to protect against polio. This vaccine has been extremely effective in wiping out polio in developing countries, when most of the population gets vaccinated. In areas where there are low rates of vaccination against polio and sanitation is poor, the weakened vaccine virus can spread from person to person. Over time, as the virus spreads, it can regain its ability to cause disease in people who are not vaccinated. Polio caused by a vaccine strain is called vaccine-derived polio.

Vaccine-derived polio cannot spread in the United States because the U.S has high vaccination rates against polio and the oral polio vaccine is not used here.

What is the current situation?

An outbreak of polio has been reported in the provinces of East Sepik, Madang, Eastern Highlands, Enga, Jiwaka, Morobe Province, and National Capitol District in Papua New Guinea. This outbreak is caused by vaccine-derived poliovirus (VDPV), a sign of low oral polio vaccine coverage in the country.

To help control the outbreak, the United Nations is supporting the government of Papua New Guinea in launching a polio campaign to vaccinate children under 5 years old in Morobe, Madang, and Eastern Highlands provinces.

What can travelers do to prevent polio?

Get the polio vaccine. CDC recommends that all travelers to Papua New Guinea be vaccinated fully against polio. In addition, adults who have been fully vaccinated should receive a single lifetime booster dose of polio vaccine. Even if you were vaccinated as a child or have been sick with polio before, you may need a booster dose to make sure you are protected. See the Polio Vaccine Information Statement (VIS) for more information.

If you will be in Papua New Guinea for more than 4 weeks, the Papua New Guinea government may require you to show proof of polio vaccination before you leave the country. To meet this requirement, you should get the polio vaccine between 4 weeks and 12 months before you leave Papua New Guinea. Talk to your doctor about whether this requirement applies to you.

Clinician Information

For travelers going to countries with circulating VDPV who have completed their routine polio vaccine series but who have not already received an adult booster dose, CDC recommends administering a single lifetime inactivated poliovirus vaccine (IPV) booster dose.

Travelers who will be in Papua New Guinea for more than 4 weeks may need an additional booster if the most recent dose of polio vaccine (completion of routine series or adult booster) was administered more than 12 months before the date of departure from Papua New Guinea.

See the Vaccine section in Chapter 3, PoliomyelitisCDC Health Information for International Travel, for specific vaccination details.

Additional Information

Traveler Information

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