When Is the Next HIV Test Due for an HIV-Exposed Infant? (WHO)
Says when the next HIV test is due for an HIV-exposed infant and which test: NAT at 4-6 weeks and 9 months, then the final antibody test at 18 months or 3 months after weaning, whichever is later.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Infant age in weeks
- 20
- Breastfeeding
- Never breastfed
- NAT at 4-6 weeks
- Negative
- NAT at 9 months
- Not done yet
Result: Next: NAT at 39 weeks of age, in 19 weeks.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Infant age in weeks
- Breastfeeding
- Age in weeks when breastfeeding stopped
- NAT at 4-6 weeks
- NAT at 9 months
How this is calculated
Citation
WHO. Consolidated guidelines on HIV prevention, testing, treatment, service delivery and monitoring. Geneva: WHO; 2021. Box 2.5 and Fig. 2.7, the simplified infant diagnosis algorithm (pp. 40-42). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.