Search number	Builder	Term
1	#1 (From intervention domain)	Search (((((((((((“Hepatitis A”) OR “Hepatitis A”[MeSH Terms])) AND Vaccination) OR ((((((((((Vivaxim) OR ViCPS) OR Hepatyrix) OR Biovac A) OR Viatim) OR Twinrix) OR Vaqta) OR Havpur) OR Havrix) OR Avaxim)) OR ((immunisation) OR immunisation[MeSH Terms])) OR ((immunization[MeSH Terms]) OR immunization)) OR Vaccination) OR Vaccine) OR immunization) OR Vaccine) AND “Hepatitis A”
2	#2 (outcome domain)	Search (((((((“Cost utility*”) OR “Cost benefit”) OR “Cost effectiveness”) OR ((“Incremental cost effectiveness ratio”) OR ICER)) OR ((“life years”) OR “Life year”)) OR ((DALY) OR “Disability adjusted life year”)) OR ((QALY) OR “Quality adjusted life year”)) OR (((((economics) OR economics[MeSH Terms]) OR economic) OR “Economic* evaluation”) OR “economic assessment”)
3	1 AND 2	Search (((((((((((((“Hepatitis A”) OR “Hepatitis A”[MeSH Terms])) AND Vaccination) OR ((((((((((Vivaxim) OR ViCPS) OR Hepatyrix) OR Biovac A) OR Viatim) OR Twinrix) OR Vaqta) OR Havpur) OR Havrix) OR Avaxim)) OR ((immunisation) OR immunisation[MeSH Terms])) OR ((immunization[MeSH Terms]) OR immunization)) OR Vaccination) OR Vaccine) OR immunization) OR Vaccine) AND “Hepatitis A”)) AND ((((((((“Cost utility*”) OR “Cost benefit”) OR “Cost effectiveness”) OR ((“Incremental cost effectiveness ratio”) OR ICER)) OR ((“life years”) OR “Life year”)) OR ((DALY) OR “Disability adjusted life year”)) OR ((QALY) OR “Quality adjusted life year”)) OR (((((economics) OR economics[MeSH Terms]) OR economic) OR “Economic* evaluation”) OR “economic assessment”))