Sep 20, 2022 · Human immunodeficiency virus (HIV)-2 is an enveloped retrovirus causing human infection, similar to HIV-1, and is primarily endemic to West Africa. Due to globalization and increased migration, HIV-2 has now spread worldwide, with an estimated 1 …

Jan 19, 2024 · HIV-1 and HIV-2 are the two main types of HIV. Most people with HIV have HIV-1. Genetic differences between the two viruses mean that diagnosis and treatment of HIV-1 and HIV-2 can be different.

Sep 18, 2023 · HIV-2 is a viral subtype mainly seen in West Africa. Learn about its origin, transmission, and mortality rates, and how it differs from HIV-1.

Feb 3, 2025 · Human immunodeficiency virus (HIV) is categorized into two main types: HIV-1 and HIV-2.

The subtypes of HIV include two main subtypes, known as HIV type 1 (HIV-1) and HIV type 2 (HIV-2). These subtypes have distinct genetic differences and are associated with different epidemiological patterns and clinical characteristics.

Dec 6, 2023 · View recommendations for the diagnosis and treatment of HIV-2 infection using antiretroviral therapy in adults and adolescents.

This topic will address the approach to treatment in persons with HIV-2 infection. The epidemiology, natural history, clinical manifestations, and diagnosis of HIV-2 infection are discussed in detail elsewhere.

HIV-1 is the most common type of HIV and accounts for 95% of all infections, whereas HIV-2 is relatively uncommon and less infectious. HIV-2 is mainly concentrated in West Africa, is less deadly and progresses more slowly.

HIV-2 was first described in 1985 [1] and was isolated in 1986 in West Africa. [2] . The HIV-2 epidemic has its epicenter in West Africa, and is also found in those countries that have had historical colonial links with the region, in particular Portugal and France.

To diagnose HIV-2 infection, clinicians should follow the standard HIV laboratory testing algorithm.