Situation update:
There has been no local circulation so far related to the circulating vaccine-derived poliovirus type 2 (cVDPV2) that was detected on 31 January 2024 in Cairo governorate, in Egypt.
In Somalia, cVDPV2 was confirmed in one new case in Bay, with a date of onset of paralysis of 8 March 2024, and an ES sample collected in Gedo on 11 March 2024. Both are linked to the SOM-BAN-1 emergence.
The environmental isolate confirmed on 24 January 2024 in White Nile State in Sudan was classified as cVDPV2 and is reported to be genetically linked to a cVDPV2 isolated in an AFP case in South Sudan - RSS–UNL-1. This emergence was also detected in Ethiopia.
In Yemen, ten cVDPV2 cases and six additional positive environmental sites have been reported, all from the northern governorates. The most recent virus isolations were from acute flaccid paralysis (AFP) cases reported from Ibb, and two from Al Hudaidah, with dates of onset of paralysis of 6 April 2024, 27 March 2024 and 8 March 2024 respectively.
Circulating vaccine-derived poliovirus type 2 (VDPV2) isolates, 2024 to date:
Djibouti: 0 AFP; 0 ES
Egypt: 0 AFP; 1 ES
Somalia: 2 AFP; 1 ES
Sudan: 0 AFP; 2 ES
Yemen: 10 AFP; 2 ES
2024
IMST Situation Report - Week 24 - 20 June 2024
IMST Situation Report - Week 13 - 28 March 2024
IMST Situation Report - Week 6 - 10 February 2024
2023
IMST Situation Report - Week 51 - 23 December 2023
IMST Situation Report - Week 45 - 9 November 2023
IMST Situation Report - Week 35 - 31 August 2023
IMST Situation Report - Week 28 - 13 July 2023
IMST Situation Report - Week 22 - 1 June 2023
IMST Situation Report - Week 17 - 27 April 2023
IMST Situation Report - Week 12 - 23 March 2023
2022
2022 polio outbreaks/events at a glance
IMST Situation Report - Week 29 - 2022
IMST Situation Report - Week 29 - 2022
IMST Situation Report - Week 28 - 2022
IMST Situation Report - Week 27 - 2022
IMST Situation Report - Week 26 - 2022
IMST Situation Report - Week 25 - 2022
IMST Situation Report - Week 24 - 2022
IMST Situation Report - Week 23 - 2022
IMST Situation Report - Week 22 - 2022
IMST Situation Report – Week 52 – 2021 download unavailable; update sent as informal email
2021
IMST Situation Report - Week 44 - 2021
IMST Situation Report - Week 40 - 2021
IMST Situation Report - Week 36 - 2021
IMST Situation Report - Week 31 - 2021
IMST Situation Report - Week 26 - 2021
IMST Situation Report - Week 20 - 2021
IMST Situation Report - Week 16 - 2021
IMST Situation Report - Week 10 - 2021
IMST Situation Report - Week 7 - 2021
IMST Situation Report - Week 5 - 2021
IMST Situation Report - Week 2 - 2021
2020
IMST Situation Report - Week 51 - 2020
IMST Situation Report - Week 48 - 2020
IMST Situation Report - Week 46 - 2020
IMST Situation Report - Week 44 - 2020
IMST Situation Report - Week 42 - 2020
IMST Situation Report - Week 39 – 2020
IMST Situation Report - Week 37 - 2020
