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100 %There was a statistically significant reduction in support for defaulter tracking after the PEPFAR policy change (100% vs. 44%, p < 0.01).

NigeriaVIH/sidaobserved October 2014–September 2015published 2019PloS onePubMeddocument of 11 observations

60 %Among 342 men who have sex with men (MSM) in Nigeria, 60% were HIV-infected.

NigeriaVIH/sidapublished 2020Papillomavirus research (Amsterdam, Netherlands)PubMeddocument of 19 observations

95.1 %95.1% of female sex workers who died from HIV/AIDS were not taking antiretrovirals at the time of their death.

NigeriaVIH/sidaobserved 2022-02-01 to 2023-02-28published 2026International journal of environmental research and public healthPubMeddocument of 10 observations

26,041 inhabitantsDuring April 2019–September 2020, the total number of people living with HIV on antiretroviral therapy supported by PEPFAR statewide in Rivers State increased by 3.8 times, from 26,041 to 99,733.

NigeriaVIH/sidaobserved April 2019–September 2020published 2021AIDS (London, England)PubMeddocument of 3 observations

445 deathsA total of 445 female sex workers died from HIV/AIDS among those reported by 853 female sex workers in Kenya, Nigeria, and the Democratic Republic of the Congo.

Kenya · Nigeria · RDCVIH/sidaobserved 2022-02-01 to 2023-02-28published 2026International journal of environmental research and public healthPubMeddocument of 10 observations

22.2 %Among patients who achieved target CD4 cell counts ≥ 500 cells/ml, there was further increase of between 22.2% and 34.1% compared to baseline values.

NigeriaVIH/sidapublished 2024African health sciencesPubMeddocument of 3 observations

22.7 %Of 4,250 patients enrolled, 965 were identified as lost to follow-up, giving a loss to follow-up rate of 22.7%.

NigeriaVIH/sidaobserved August 2008 to July 2018published 2023West African journal of medicinePubMeddocument of 8 observations

59 %The proportion of people living with HIV/AIDS initiating antiretroviral treatment who were found in the community increased from 59% to 75% during February–September 2020.

NigeriaVIH/sidaobserved February–September 2020published 2021AIDS research and therapyPubMeddocument of 6 observations

3.55 mmThe mean optic nerve sheath diameter (ONSD) value of the left eye was 3.55 mm with a standard deviation of 1.11 mm among HIV-positive adults on HAART.

NigeriaVIH/sidaobserved October 2017 to June 2018published 2019Nigerian journal of clinical practicePubMeddocument of 5 observations

53.4 %Out of 400 patients, 199 patients (53.4%) reported experiencing serious adverse drug reactions.

NigeriaVIH/sidapublished 2024AIDS carePubMeddocument of 3 observations

30.9 %Among 350 adult patients with HIV infection at Aminu Kano Teaching Hospital, Kano, Nigeria, 108 (30.9%) had low baseline serum cortisol levels.

NigeriaVIH/sidapublished 2019African health sciencesPubMeddocument of 3 observations

49.2 %Unintended pregnancy prevalence was 49.2% among women living with HIV in Cross River State, Nigeria.

NigeriaVIH/sidaobserved 2024published 2026BMC public healthPubMeddocument of 4 observations

3.5 %The prevalence of prolonged QRS interval was 3.5% in HIV-positive children.

NigeriaVIH/sidapublished 2020The Nigerian postgraduate medical journalPubMeddocument of 9 observations

43.6 %Less than half (43.6%) of HIV-positive male partners participated in PMTCT.

NigeriaVIH/sidapublished 2020Current HIV researchPubMeddocument of 5 observations

22 %Among 91 HIV-1 infected individuals in Abakaliki metropolis, Ebonyi State, Nigeria, 20 (22.0%) were positive for Epstein-Barr Nuclear Antigen (EBNA) IgM antibody.

NigeriaVIH/sida · virus Epstein-Barrpublished 2020Journal of immunoassay & immunochemistryPubMeddocument of 15 observations

32.8 %Among 85 known PLHIV not on treatment in NAIIS, 32.8% self-linked to care.

NigeriaVIH/sidaobserved 2018published 2021PloS onePubMeddocument of 13 observations

84.46 %The prevalence of good virological outcome was 84.46% among HIV-infected individuals on HAART in three treatment facilities in Osogbo, Southwest Nigeria.

NigeriaVIH/sidapublished 2025BMC infectious diseasesPubMeddocument of 2 observations

0.594 AORPatients residing in urban areas had an adjusted odds ratio of 0.594 for TB/HIV coinfection.

Nigeriatuberculose · VIH/sidaobserved 2018-2022published 2024BMJ openPubMeddocument of 6 observations

65.8 %Among 1,598 people living with HIV (PLHIV) on antiretroviral therapy (ART) in three states in southern Nigeria surveyed between July and August 2019, 65.8% were willing to pay for ART consultation.

NigeriaVIH/sidaobserved July and August 2019published 2023PloS onePubMeddocument of 9 observations

95.5 %95.5% of the respondents had a good perception of the quality of care they received.

NigeriaVIH/sidaobserved December 2020 to March 2021published 2023Journal of the International Association of Providers of AIDS CarePubMeddocument of 2 observations

40.6 %The prevalence of latent tuberculosis infection among HIV-infected patients was 40.6% using tuberculin skin test.

Nigerialatent tuberculosis infection · VIH/sidapublished 2021The Pan African medical journalPubMeddocument of 5 observations

85 %About 85% of women were treated with first line highly active retroviral therapy (HAART).

NigeriaVIH/sidapublished 2023BMC women's healthPubMeddocument of 5 observations

20.37 per_100_person_yearsLost-to-follow-up incidence decreased significantly from 20.37 per 100 person-years in 2020 to 0.69 per 100 person-years in 2022.

NigeriaVIH/sidaobserved 2020published 2025PloS onePubMeddocument of 8 observations

77.5 %77.5% of respondents reported exposure to at least one type of HIV prevention intervention.

NigeriaVIH/sidapublished 2023PloS onePubMeddocument of 3 observations

83.3 %Among 425 adult PLHIVs attending a tertiary hospital in Nigeria, 354 (83.3%) had optimal HAART adherence (≥ 95%).

NigeriaVIH/sidapublished 2020Ghana medical journalPubMeddocument of 7 observations