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356 samplesOverall, 356 samples were collected between May 20 and June 13, 2022, from 50 men with a median age of 34 years (IQR 29–40).

Nigeriampoxobserved May 20 to June 13, 2022HAL · Unilimdocument of 102 observations

Five countries — DRC, Rwanda, Uganda, Central African Republic, and Nigeria — are currently vaccinating against mpox.

Nigeria · Ouganda · RDC · RwandampoxAfrica CDCdocument of 72 observations

9 patientsIn the 2003 US monkeypox epidemic, MPXV was not detected in blood from 9 of 12 patients.

Nigeriampoxobserved 2003HAL · Unilimdocument of 102 observations

70 %The majority of confirmed mpox cases in Nigeria are males (approximately 70%).

NigeriampoxAfrica CDCdocument of 147 observations

14 daysViral clearance of MPXV appeared to be relatively rapid, with most samples being MPXV-negative within 14 days.

NigeriampoxHAL · Unilimdocument of 102 observations

83 %In a Spanish study, MPXV was detected in the nasopharynx of 83% of patients.

NigeriampoxHAL · Unilimdocument of 102 observations

5 %At day 14, MPXV detection in blood was one [5%] of 21.

Nigeriampoxobserved day 14HAL · Unilimdocument of 102 observations

3 patientsIn the 2003 US monkeypox epidemic, three of 12 patients investigated were viraemic.

Nigeriampoxobserved 2003HAL · Unilimdocument of 102 observations

6 patientsIn an English series, MPXV was detected in the blood in six of seven patients at least once at the beginning of the disease.

NigeriampoxHAL · Unilimdocument of 102 observations

29 %At day 0, MPXV detection was less frequent from blood (13 [29%] of 45) than from skin, anus, or throat.

Nigeriampoxobserved day 0HAL · Unilimdocument of 102 observations

22 %Four (22%) of 18 paired skin swabs remained positive at day 14 after diagnosis.

NigeriampoxHAL · Unilimdocument of 102 observations

35 casesAmong 35 suspected mpox cases in Rivers State, Nigeria, between October 21, 2021, and April 30, 2023, skin rash was present in all 35 cases (100%).

Nigeriampoxobserved October 21, 2021 to April 30, 2023published 2025The Pan African medical journalPubMeddocument of 11 observations

72 suspected_casesIn week 38 (ending 22 September 2024), Nigeria reported 72 new suspected mpox cases and 5 new confirmed cases from four states.

Nigeriampoxobserved week 38Africa CDCdocument of 147 observations

100 %At D14, MPXV tests were negative or weakly positive for 14 (100%) of 14 blood samples.

NigeriampoxHAL · Unilimdocument of 102 observations

32.8 CtViral loads were lower from blood (Ct 32·8) than from skin lesions or anal samples.

Nigeriampoxobserved day 0HAL · Unilimdocument of 102 observations

56 %Of the 160 patients with mpox, 90 (56%) had a rash count greater than 250 in Nigeria during the study period from Feb 1, 2022, to Jan 30, 2023.

Nigeriampoxobserved Feb 1, 2022, to Jan 30, 2023published 2023The Lancet. Infectious diseasesPubMeddocument of 11 observations

88 %At day 0, MPXV detection was more frequent from skin (44 [88%] of 50), anus (30 [71%] of 42), and throat (36 [77%] of 47) than from blood (13 [29%] of 45), urine (nine [22%] of 41), or semen (13 [54%] of 24).

Nigeriampoxobserved day 0HAL · Unilimdocument of 102 observations

77 %At day 0, MPXV detection was more frequent from throat (36 [77%] of 47) than from blood (13 [29%] of 45), urine (nine [22%] of 41), or semen (13 [54%] of 24).

Nigeriampoxobserved day 0HAL · Unilimdocument of 102 observations

100 %In a Spanish study, MPXV was detected in saliva from 100% of patients.

NigeriampoxHAL · Unilimdocument of 102 observations

295 suspected_casesIn the past four weeks, Nigeria registered 295 suspected mpox cases and 28 confirmed cases, with no deaths reported.

Nigeriampoxobserved past four weeksAfrica CDCdocument of 147 observations

20.9 CtMPXV viral load was higher from anal samples (Ct 20·9) than from throat samples.

NigeriampoxHAL · Unilimdocument of 102 observations

0 casesAt day 14, MPXV detection in urine was none of 14.

Nigeriampoxobserved day 14HAL · Unilimdocument of 102 observations

87 %MPXV was detected in the oropharynx of 87% of patients with confirmed monkeypox at diagnosis.

NigeriampoxHAL · Unilimdocument of 102 observations

6.7 adjusted_odds_ratioConfluent or semi-confluent rash was independently associated with severe mpox disease (adjusted odds ratio 6.7, 95% CI 1.9–23.9).

Nigeriampoxpublished 2023The Lancet. Infectious diseasesPubMeddocument of 11 observations

Rivers State was the main source of viral spread during the monkeypox virus human epidemic in Nigeria.

Nigeriampoxpublished 2025Natureeurope_pmcdocument of 5 observations