TABLE 1.

Search strategy

Database	Search Strategy
Medline	Exp Hepatitis B/ or exp Hepatitis B virus/ or exp Hepatitis B, Chronic/ or hepatitis b.mp. Exp Refugees/ or refugee$.mp Asylum seeker$.mp Internally displaced.mp (displaced population or displaced people or displaced person$).mp Forced migrant.mp Undocumented migrant.mp (Prevalence or screening or epidemiology).mp 2 or 3 or 4 or 5 or 6 or 7 1 and 9 8 and 10
Embase	Exp hepatitis B/ or exp Hepatitis B virus/ or hepatitis B.mp. Exp refugee camp/ or refugee.mp. or exp refugee/ or exp refugee crisis/ Exp forced migrant/ Exp internally displaced person/ Exp forced migration/ Exp asylum seeker/ or asylum seeker.mp Displaced person$.mp. 2 or 3 or 4 or 5 or 6 or 7 1 and 8 (prevalence or screening or epidemiology).mp. 9 and 10
Scopus	(TITLE‐ABS‐KEY(“hepatitis B") OR TITLE‐ABS‐KEY(“hepatitis b virus”) OR TITLE‐ABS‐KEY(“chronic hepatitis B")) AND (TITLE‐ABS‐KEY(refugee$) OR TITLE‐ABS‐KEY(“displaced person$”) OR TITLE‐ABS‐KEY(“asylum seeker$”) OR TITLE‐ABS‐KEY(“displaced people”) OR TITLE‐ABS‐KEY(“displaced population”)) AND (TITLE‐ABS‐KEY(prevalence) OR TITLE‐ABS‐KEY(screening) OR TITLE‐ABS‐KEY(rate$) OR TITLE‐ABS‐KEY(epidemiology)) AND NOT INDEX(medline)
Cochrane	#1 (hepatitis B) OR (hepatitis B virus) OR (chronic hepatitis B):ti,ab,kw #2 refugee* OR (refugee camp) OR (asylum seeker*) OR (displaced person) OR (displaced population) OR (forced migrant*) #3 MeSH descriptor: [Refugees] explode all trees #4 #1 AND (#2 OR #3)
Virtual Health Library	((hepatitis B) OR (hepatitis B virus) OR (chronic hepatitis B)) AND (refugee OR (asylum seeker) OR (forced migrant) OR (displaced person) OR (displaced people) OR (displaced population)) AND (prevalence OR epidemiology OR screening OR rate)