News

Polio: Public Health Emergency of International Concern

03 Jun 2021

An update on the polio Public Health Emergency of International Concern (PHEIC) Read more

Polio: Public Health Emergency of International Concern

25 Feb 2021

An update on the polio Public Health Emergency of International Concern (PHEIC) Read more

Wild polio eradicated in Africa

27 Aug 2020

Wild polio has been eradicated in Africa; although vaccine-derived polio remains a threat Read more

Updated rabies post-exposure guidelines

26 Aug 2020

Updated rabies post-exposure guidelines have been published Read more

Ghana: new outbreak of circulating vaccine-derived poliovirus (cVDPV)

02 Sep 2019

The first case circulating vaccine-derived poliovirus type 2 (cVDPV2) has been reported in Ghana Read more

Angola: updated recommendations for polio vaccination

20 Jun 2019

Circulating vaccine-derived poliovirus (cVDPV) is confirmed in Cambulo province, Lunda Notre district, Angola Read more

Factsheets

Poliomyelitis

18 Jan 2016

Poliomyelitis (polio) is a potentially paralysing viral infection that only occurs in humansRead more

Polio vaccination certificate

01 Oct 2014

How to complete an International Certificate of Vaccination or Prophylaxis (ICVP) for polioRead more

Diseases

Outbreak Surveillance

cVDPV3 in China

21 May 2021 China + Shanghai

As of 19 May 2021, one cVDPV3 positive environmental sample was reported in Shanghai.

Source: GPEI

Miscellaneous

New Post

Verified

Polio in brief

cVDPV2 in Liberia

30 Apr 2021 Liberia + Bong

As of 28 April 2021, one case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in Bong, making it the first cVDPV2 case in the country.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV1 in Madagascar

30 Apr 2021 Madagascar + Sud-Est
Sud-Ouest

As of 28 April 2021, three cases of circulating vaccine-derived poliovirus type 1 (cVDPV1) were reported. Two cases from Sud-Est from 2020 and one case from Sud-Ouest from 2021.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Senegal

08 Apr 2021 Senegal

As of 31 March 2021, two cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) have been reported.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Senegal

19 Mar 2021 Senegal + Dakar

As of 17 March 2021, one cVDPV2 positive environmental sample was reported in Dakar. This is the first time a cVDPV2 environmental positive sample has been collected in the country.

Source: GPEI

Miscellaneous

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Polio in brief

cVDPV2 in Iran

25 Feb 2021 Iran + Sistan va Baluchestan

cVDPV2 has been detected in sewage in two districts in Sistan and Baluchistan province.

Source: WHO

Miscellaneous

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Polio in brief

cVDPV2 in Egypt

25 Feb 2021 Egypt

In September 2020, cVDPV2 virus was detected in sewage in Giza, Cairo with links to importation from Sudan. cVDPV2 has recently been detected in sewage in Alexandria with links to the cVDPV2 found in the River Nile state in Sudan, and one cVDPV2 detected in both Anwan and Qena in southern Egypt linked to Alexandria.

Source: WHO

Miscellaneous

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Polio in brief

cVDPV2 in Kenya

25 Feb 2021 Kenya + Mombasa County

As of the 17 February one cVDPV2 positive environmental sample was reported in Mombasa.

Source: GPEI

Miscellaneous

Update 1

Verified

Polio in brief

cVDPV2 in Tajikistan

12 Feb 2021 Tajikistan + Khatlon

As of 10 February 2021, one case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in Khatlon province making it the first cVDPV2 case in the country. The case is linked to an outbreak originating in Pakistan.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Liberia

04 Jan 2021 Liberia + Montserrado

Two cVDPV2 positive environmental samples were reported in Montserrado. These are the first cVDPV2 positive environmental samples in the country.

Source: GPEI

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Sierra Leone

04 Jan 2021 Sierra Leone

Three cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; one each in the Western Area, Northern and North Western. These are the first cVDPV2 cases in the country.

Source: GPEI

Human

Miscellaneous

New Post

Verified

Polio in brief

cVDPV2 in Nigeria

18 Dec 2020 Nigeria + Zamfara

Two cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported in Zamfara. There are six cVDPV2 cases reported in 2020 and 18 cVDPV2 cases reported in 2019.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Congo

09 Nov 2020 Congo + Kouilou

One case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported in Kouilou making it the first in the country. The virus is linked to the Huila outbreak in Angola.

Source: GPEI

Human

Miscellaneous

New Post

Verified

Polio in brief

cVDPV2 in South Sudan

29 Oct 2020 South Sudan

Three circulating vaccine-derived poliovirus type 2 (cVDPV2) positive cases are reported from South Sudan.

Source: GPEI

Human

Miscellaneous

New Post

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Polio in brief

cVDPV2 in Côte d'Ivoire

20 Oct 2020 Côte d'Ivoire (Ivory Coast)

As of 4 October 2020, four cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported; one each in Gbokle-Nawa-San-Pedro, Loh-Djiboua, Poro-Tchologo-Bagoue and Tonkpi provinces. The total number of cVDPV2 cases reported in 2020 is 33.

Source: WHO

Human

Miscellaneous

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Polio in brief

cVDPV2 in Sudan

06 Oct 2020 Sudan + Red Sea

As of 30 September 2020, one cVDPV2 case was reported in the Red Sea province. There are 23 cVDPV2 cases reported in 2020 so far. The initial viruses were linked to the ongoing outbreak in Chad.

Source: GPEI

Human

Miscellaneous

Update 3

Verified

Polio in brief

cVDPV1 in Yemen

24 Aug 2020 Yemen

As of 19 August 2020, 15 circulating vaccine-derived poliovirus type 1 (cVDPV1) positive cases were reported this week from Yemen.

Source: GPEI

Human

Miscellaneous

New Post

Verified

Polio in brief

cVDPV2 in Guinea

05 Aug 2020 Guinea + Kankan

As of 29 July 2020, a total of eight cVDPV2 cases were reported, the first in the country.

Source: WHO

Human

Miscellaneous

New Post

Verified

Polio in brief

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