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HIV infection.

Steven G Deeks1, Julie Overbaugh2, Andrew Phillips3

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This summary is machine-generated.

Human immunodeficiency virus (HIV) infection affects millions globally. Effective antiretroviral therapy suppresses HIV replication, enabling immune recovery and preventing AIDS, but improved prevention and treatment access are crucial.

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Area of Science:

  • Immunology
  • Infectious Diseases
  • Public Health

Background:

  • Over 75 million people have been infected with human immunodeficiency virus (HIV), with 37 million currently living with the infection.
  • Untreated HIV causes progressive CD4(+) T cell loss, immune dysfunction, and increased risk of opportunistic infections, cancers, and comorbidities like cardiovascular, bone, renal, hepatic, and neurological diseases.
  • Antiretroviral drugs effectively inhibit HIV replication, leading to durable viral suppression, immune recovery, and near elimination of acquired immune deficiency syndrome (AIDS) risk when treatment is accessible and adhered to.

Purpose of the Study:

  • To summarize the current global impact of HIV infection.
  • To highlight the efficacy of combination antiretroviral therapy (cART) in managing HIV.
  • To identify key challenges and necessary improvements in HIV prevention, treatment, and implementation strategies.

Main Methods:

  • Literature review and synthesis of epidemiological data on HIV prevalence and outcomes.
  • Analysis of the mechanisms of HIV replication and pathogenesis.
  • Evaluation of the effectiveness of antiretroviral drugs in viral suppression and disease prevention.
  • Assessment of current challenges in HIV testing, treatment access, and adherence.

Main Results:

  • Combination antiretroviral therapy (cART) achieves durable HIV viral suppression and immune recovery, significantly reducing AIDS progression and transmission risk.
  • Despite treatment advances, HIV-infected individuals face increased risks for non-AIDS-defining comorbidities.
  • HIV transmission persists in vulnerable populations due to insufficient testing, access barriers, and cost/toxicity of antiretroviral drugs.

Conclusions:

  • Effective antiretroviral therapy is critical for managing HIV and preventing AIDS, but challenges remain in global access and adherence.
  • Improved prevention strategies, widespread HIV testing, and optimized treatment approaches are essential to reverse the HIV pandemic.
  • Addressing socioeconomic factors and drug-related barriers is necessary to ensure equitable access to life-saving HIV interventions.