Wild Polio Virus Summary: - New wild poliovirus isolates reported this week:
AFP cases: 0
Environment: 2
Others: 0
New cVDPV isolates reported this week:
AFP cases 12
Environment: 21
Others: 4
Headlines:- - In Africa, to reinvigorate political attention and action on immunization across the continent, H.E. Macky Sall, Chair of the African Union and President of the Republic of Senegal, will bring together Heads of State, civil society organizations, and other key stakeholders at the Forum on Immunization and Polio Eradication on 10 December in Dakar, Senegal, to remobilize leadership around the Addis Declaration on Immunization.
- PBS feature on polio and immunization in DR Congo: the piece focuses on efforts to provide routine immunization to children, including during the pandemic, highlighting how local healthcare workers are responding to various challenges.
- In Pakistan, a high-level delegation led by Polio Oversight Board (POB) Chair Dr Chris Elias, WHO Regional Director for the Eastern Mediterranean Dr Ahmed Al-Mandhari and UNICEF Regional Director George Laryea-Adjei, concluded there is unprecedented support and commitment to ending polio in the country in 2023. More.
- Summary of new polioviruses this week:
- Pakistan: two WPV1 positive environmental samples
- Benin: three cVDPV2 cases and two positive environmental samples
- CAR: one cVDPV2 positive environmental sample
- Ghana: one cVDPV2 case and one positive environmental sample
- Madagascar: three cVDPV1 cases and 13 positive environmental samples
- Mozambique: two cVDPV1 cases
- Niger: two cVDPV2 cases and four positive environmental samples
- Togo: one cVDPV2 case
Afghanistan:
- Two WPV1-positive environmental samples were reported in Nangarhar province.
- The total number of WPV-1positive environmental samples in 2022 is thirteen, all from Eastern Region.
Pakistan: - No wild poliovirus type 1 (WPV1) cases were reported this week. There are 20 cases in 2022. There was one WPV1 case in 2021
- Two WPV1 positive environmental samples were reported; one each in Punjab and Khyber Pakhtunkhwa.
Mozambique: - No wild poliovirus type 1 (WPV1) case was reported this week. There are eight cases reported in 2022. Reporting of these new cases within a short time span indicates that intensified surveillance efforts are working in the province.
- Two cases of circulating vaccine-derived poliovirus type 1 (cVDPV1) were reported in Zambezia bringing the number of 2022 cases to 18.
- No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. The number of cases in 2022 remains four. There were two cases reported in 2021.
United States of America:
- No case of circulating vaccine-derived poliovirus type 2 (cVDPV2) was reported this week. One cVDPV2 case was reported in New York, with onset of paralysis on 20 June.
Officially reported WPV1 and cVDPV cases as of 22 November 2022
Wild poliovirus (WPV)
Total global WPV1 cases in 2022: 30 (compared with 4 for the same period in 2021)
Total global WPV1 cases in 2021: 6
Circulating vaccine-derived poliovirus (cVDPV) cases Total global cVDPV cases in 2022: 540 (compared with 485 for the same period in 2021)
Total global cVDPV cases in 2021: 698 |
