HIV Prevention Interventions and Behavioral Risk Reduction

HIV prevention encompasses a spectrum of strategies designed to interrupt transmission and reduce risk behaviours across diverse populations. Biomedical approaches such as pre-exposure prophylaxis (PrEP), post-exposure prophylaxis (PEP) and treatment as prevention (TasP) have transformed the landscape by utilising antiretroviral agents to lower individual susceptibility and community viral load. Behavioural risk reduction remains central to comprehensive programmes, combining condom promotion, counselling, peer outreach and stigma-reduction activities to reinforce safer practices. Digital platforms and mobile technologies now deliver tailored educational content, booster reminders and interactive tools that enhance knowledge, motivation and skills. Structural and multilevel interventions address social determinants by aligning policy, community organisations and health systems to support uptake and sustainability. Together, these interventions operate across individual, interpersonal and societal levels to achieve synergistic effects, with an emphasis on key affected groups—including adolescents, men who have sex with men, sex workers and serodiscordant couples—and on adapting to regional epidemiological and cultural contexts.

Research from Nature Portfolio

Recent studies have introduced an education kit for adolescents based on an information-motivation-behavioural skills framework, comprising infographic flip charts and animated videos in the local language. The kit was developed through iterative needs assessment and expert review, achieving high scores for content validity, understandability and actionability. Early validation among end users confirmed its readiness for field testing to improve knowledge, attitudes and preventive practices. This work exemplifies the translation of behaviour-change theory into scalable, multimedia learning tools aimed at strengthening HIV literacy and self-protection skills in young populations.

HIV Prevention Interventions and Behavioral Risk Reduction publication trend

The graph below shows the total number of articles in hiv prevention interventions and behavioral risk reduction across all publications each year (not limited to Nature Index journals).

Technical terms

Pre-exposure prophylaxis (PrEP): Antiretroviral medication taken by HIV-negative individuals to prevent infection prior to potential exposure.

Information-motivation-behavioural skills (IMB) model: A theoretical framework positing that accurate information, personal and social motivation, and behavioural skills together drive sustained risk-reduction actions.

eHealth interventions: Programmes and tools delivered via digital technologies (websites, mobile apps, messaging) to influence health behaviours and enhance self-management.

Self-efficacy: An individual’s belief in their ability to perform specific behaviours necessary to achieve desired outcomes, such as consistent condom use or adherence.

Treatment as prevention (TasP): Use of antiretroviral therapy by HIV-positive persons to suppress viral load to undetectable levels, thereby minimising the risk of onward transmission.

References

1. Development and validation of the information-motivation-behavioural skills model-based human immunodeficiency virus education kit for adolescents in Malaysia. Scientific Reports (2024).
2. Longitudinal relationship between pre-exposure prophylaxis motivation and change in adherence among men who have sex with men in Western China. BMC Public Health (2024).
3. A Systematic Review of eHealth Interventions Addressing HIV/STI Prevention Among Men Who Have Sex With Men. AIDS and Behavior (2019).
4. Facilitators and barriers to effective scale-up of an evidence-based multilevel HIV prevention intervention. Implementation Science (2015).