What this chapter delivers
Compare PrEP, PEP, testing, condoms, treatment as prevention, harm reduction and structural approaches.
Keep test type, specimen, window period and confirmation algorithm visible.
Route time-sensitive concerns to qualified local services without collecting exposure histories.
Complete chapter index
Every subject has a permanent route and remains visible in server-delivered HTML.
Combination prevention
Medical, behavioral, community and structural approaches work together.
- HIV testing
- Pre-exposure prophylaxis
- Post-exposure prophylaxis
- Treatment as prevention
- U=U
- Condoms and lubricants
- Sexual-health and sexually transmitted infection services
- Voluntary medical male circumcision where recommended
- Harm reduction
- Sterile injection equipment
- Opioid-dependence treatment
- Blood and medical-injection safety
- Prevention of vertical transmission
- Community and structural prevention
- Education and behavior-focused interventions
Testing Knowledge Center
How tests work, when they may detect infection, and how results are confirmed.
- Laboratory antigen-antibody tests
- Rapid tests
- Antibody-only tests
- Nucleic-acid tests
- Self-testing
- Testing during pregnancy
- Testing in infants and children
- Testing frequency
- Retesting
- Confirmatory algorithms
- Window periods
- False-positive and false-negative results
- Consent and confidentiality
- Partner services
- Linkage to treatment and care
Possible recent exposure
Time-sensitive professional assessment may be appropriate after a possible recent exposure.
Evidence and content standard
Records separate essential answers, complete public explanations and professional evidence. Every material claim keeps its source, date, jurisdiction, limitations and change history visible.