A Review of Human Immunodeficiency Virus (HIV) in Nigeria

Abstract

Human Immunodeficiency Virus (HIV) remains a critical global health challenge, with Nigeria bearing one of the heaviest burdens in sub-Saharan Africa. Despite advances in antiretroviral therapy (ART) and prevention strategies, approximately 1.9 million people in Nigeria are living with HIV as of 2020. The virus, transmitted primarily through unprotected sexual contact, mother-to-child transmission, and contaminated needles, progressively impairs the immune system, leading to acquired immunodeficiency syndrome (AIDS) if untreated. This review examines the pathophysiology, clinical presentation, diagnosis, treatment, and prevention of HIV, with a particular focus on its impact in Nigeria. Persistent challenges such as stigma, limited access to ART, inadequate healthcare infrastructure, and socioeconomic barriers continue to undermine effective control. Strengthening surveillance, expanding ART access, promoting public education, and achieving UNAIDS 95-95-95 targets are essential to mitigating the epidemic’s impact and advancing toward ending AIDS as a public health threat.