Explorer les evidences

7 957 peopleAs of 30 January 2025, Nigeria had vaccinated 7,957 people against mpox, with 4,287 receiving the first dose and 3,626 receiving the second dose.

Nigeriampoxobservé 30 January 2025Africa CDCdocument de 72 observations

118 genomes118 MPXV genomes were sequenced from cases in Nigeria and Cameroon between 2018 and 2023.

Cameroun · Nigeriampoxobservé 2018 to 2023publié 2025Natureeurope_pmcdocument de 5 observations

52 %In the 2022 global mpox outbreak, 52% of confirmed mpox cases with known HIV status were people living with HIV.

Nigeriampoxobservé 2022publié 2023AIDS research and human retrovirusesPubMeddocument de 4 observations

22 %When analysing the 107 samples taken from 24 patients at day 14, the proportion of positive samples strongly decreased between day 0 and day 14 at all sites: skin (four [22%] of 18), anus (two [9%] of 22), throat (none of 21), blood (one [5%] of 21), urine (none of 14), and semen (two [9%] of 11).

Nigeriampoxobservé day 14HAL · Unilimdocument de 102 observations

54 %At day 0, MPXV detection was observed in 13 (54%) of 24 semen samples.

NigeriampoxHAL · Unilimdocument de 102 observations

Five countries — DRC, Rwanda, Uganda, Central African Republic, and Nigeria — were vaccinating against mpox during January–February 2025.

Nigeria · Ouganda · RDC · Rwandampoxobservé January-February 2025Africa CDCdocument de 72 observations

100 %At D14, MPXV tests were negative or weakly positive for 21 (100%) of 21 throat samples.

NigeriampoxHAL · Unilimdocument de 102 observations

Côte D’Ivoire, Liberia, Nigeria, and South Africa reported mpox cases belonging to Clade II.

Afrique du Sud · Liberia · NigeriaClade II · mpoxAfrica CDCdocument de 11 observations

9 %At day 14, MPXV detection was observed in 2 (9%) of 22 anal samples.

NigeriampoxHAL · Unilimdocument de 102 observations

0 %At day 14, MPXV detection was observed in 0 (0%) of 21 throat samples.

NigeriampoxHAL · Unilimdocument de 102 observations

54 %At day 0, MPXV detection was less frequent from semen (13 [54%] of 24) than from skin, but more frequent than from blood, urine, or throat.

Nigeriampoxobservé day 0HAL · Unilimdocument de 102 observations

5 casesAmong 35 suspected mpox cases in Rivers State, Nigeria, between October 21, 2021, and April 30, 2023, 5 (14.3%) had HIV infection.

Nigeriampox · VIH/sidaobservé October 21, 2021 to April 30, 2023publié 2025The Pan African medical journalPubMeddocument de 11 observations

24 250 vaccine_doses24,250 Mpox vaccine doses were prepared for shipment to the Democratic Republic of the Congo, Kenya, Nigeria, and Uganda.

Kenya · Nigeria · Ouganda · RDCmpoxAfrica CDCdocument de 72 observations

71 %MPXV detection was more frequent from anus samples (30 of 42, 71%) than from blood (13 of 45, 29%), urine (9 of 41, 22%), or semen (13 of 24, 54%).

NigeriampoxHAL · Unilimdocument de 102 observations

33 casesAmong 35 suspected mpox cases in Rivers State, Nigeria, between October 21, 2021, and April 30, 2023, 33 (94.3%) reported being in a heterosexual relationship.

Nigeriampoxobservé October 21, 2021 to April 30, 2023publié 2025The Pan African medical journalPubMeddocument de 11 observations

88 %MPXV was detected in the anus of 88% of patients with confirmed monkeypox at diagnosis.

NigeriampoxHAL · Unilimdocument de 102 observations

26 casesAmong 35 suspected mpox cases in Rivers State, Nigeria, between October 21, 2021, and April 30, 2023, fever was present in 26 cases (74.3%).

Nigeriampoxobservé October 21, 2021 to April 30, 2023publié 2025The Pan African medical journalPubMeddocument de 11 observations

22 %At day 14, MPXV detection was observed in 4 (22%) of 18 skin samples.

NigeriampoxHAL · Unilimdocument de 102 observations

27,2 CtViral loads were lower from throat (Ct 27·2) than from skin lesions or anal samples.

Nigeriampoxobservé day 0HAL · Unilimdocument de 102 observations

78 %MPXV positivity rates in semen ranged from 78% to 91% in two series of monkeypox cases.

NigeriampoxHAL · Unilimdocument de 102 observations

31 yearsThe median age of confirmed mpox cases was 31 years (IQR 27–38 years).

Nigeriampoxobservé 2017-2019publié 2023BMJ global healthPubMeddocument de 11 observations

22 %At day 0, MPXV detection was observed in 9 (22%) of 41 urine samples.

NigeriampoxHAL · Unilimdocument de 102 observations

78 %MPXV positivity rates in semen ranged from 78% to 91% in two previous series of nine and 32 patients.

NigeriampoxHAL · Unilimdocument de 102 observations

2 casesIn Nigeria in 2018, both of two monkeypox cases were viraemic.

Nigeriampoxobservé 2018HAL · Unilimdocument de 102 observations

6 patientsOf the 107 samples taken at D14, six of 24 patients had samples with a Ct value of less than 35.

NigeriampoxHAL · Unilimdocument de 102 observations