Fig. 3

Incremental cost-effectiveness ratios of adding hepatitis B vaccine birth dose (HepB BD) to routine immunization (RI) or RI plus HepB BD delivery only to newborns of HBV-infected mothers diagnosed by rapid diagnostic testing for hepatitis B surface antigen, compared to RI alone among camp-based refugees resettled from Western Sahara to Algeria, from Somalia to Djibouti and from Mali to Mauritania