10 Dec 2018

Polio: Public Health Emergency of International Concern

An update on the polio Public Health Emergency of International Concern (PHEIC) Polio: Public Health Emergency of International Concern

The nineteenth meeting of the Emergency Committee (EC) under International Health Regulations (IHR) 2005 was convened on 27 November 2018 to review the data on wild poliovirus (WPV) and circulating vaccine derived polioviruses (cVDPV). The EC agreed that the risk of international spread of poliovirus continues to constitute a Public Health Emergency of International Concern (PHEIC). Temporary Recommendations (IHR 2005) to reduce the risk of international spread of poliovirus were extended for a further three months, effective from 27 November 2018 [1].

The Statement details progress made towards stopping transmission of Wild Polio Virus (WPV) and cVDPV since the last report (15 August 2018) [2].

The full Statement of the nineteenth IHR Emergency Committee is available from the World Health Organization is available from the World Health Organization.

IHR Temporary Recommendation categories

(countries with a change in status in bold. Please refer to Country Information pages)

States infected with WPV1, cVDPV1 or cVDPV3 with the potential risk of international spread:

  • Afghanistan - WPV1
  • Nigeria - WPV1
  • Pakistan – WPV1
  • Papua New Guinea – cVDPV1
  • Somalia -cVDPV3

These countries have a certificate requirement for polio vaccination under IHR (2005).

States infected with cVDPV2, with potential risk of international spread:

  • DR Congo*
  • Kenya*
  • Niger*
  • Nigeria
  • Somalia
*There is no certificate requirement under IHR (2005) for these countries. Travellers are, however, encouraged to carry proof of polio vaccination.

States no longer infected by WPV1 or cVDPV, but which remain vulnerable to re-infection by WPV or cVDPV:
  • Cameroon
  • Central African Republic
  • Chad
  • Syria

Other

In addition to the countries detailed in this report, the Global Polio Eradication Initiative highlight the following countries to be no longer polio-virus infected, but at high risk of outbreaks [3]:

  • Ethiopia
  • Equatorial Guinea
  • Guinea
  • Iraq
  • Laos
  • Liberia
  • Madagascar
  • Myanmar
  • Sierra Leone
  • South Sudan
  • Ukraine

For these countries, NaTHNaC recommends a booster dose of a polio-containing vaccine for those who have not received a dose within the previous 10 years travelling to these countries see our Country Information pages.

The polio status of countries is reviewed by WHO on a regular basis and polio vaccination recommendations are subject to change.

Advice for travellers

You can become infected with the Polio  virus through contact with the infected human faeces and/or respiratory secretions of an infected person; the virus can also be found in food or water contaminated with infected faeces. You should practise strict food, water and personal hygiene. Wherever you are travelling to, you should make sure you have completed a primary vaccination course for polio according to the UK schedule. Vaccines used in the UK schedule contain inactivated polio vaccine (IPV) and provide protection against types 1, 2 and 3 polioviruses; bivalent oral polio vaccine (bOPV) used in vaccination schedules of some other countries, does not protect against type 2 poliovirus. You should check with your doctor or nurse that you are protected against all types of poliovirus.

You are encouraged to carry documentary evidence of your polio vaccinations. An International Certificate of Vaccination or Prophylaxis is required by some countries. See our Country Information pages for country specific information.

Advice for health professionals

All travellers regardless of destination should be up to date with routine vaccination courses and boosters as recommended in the UK. See our Country Information pages for country specific recommendations and certificate requirements.

For specific outbreak information, check our Outbreak Surveillance. The polio status of countries is reviewed by WHO on a regular basis and polio vaccination recommendations are subject to change.

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