Comparison 3. Immunologic response to YF vaccine in HIV‐infected adults before HIV diagnosis, vs. immunologic response to YF vaccine in HIV‐infected adults after HIV diagnosis.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Immunogenicity: Adequate antibody response (NT ≥1:10), follow‐up 1 yr	1	364	Risk Ratio (M‐H, Fixed, 95% CI)	0.91 [0.85, 0.98]