Characteristics of included studies [70–119].

a Age group based on mean or median age. Only 35 of the 50 studies included data on age. The remaining studies reported no information on age specific to the migrant participants or included a range that overlapped more than one age group.b Studies where all migrants were ≤ 18 years were considered to be studies of children.c According to World Bank classificationd The number of studies exceeds the 50 studies included in this review and meta-analysis because a single study could report seroprevalence in multiple regions of origin.e Migrants detained upon arrival by boat.f Of the nine studies (N = 5932), only six performed PCR on all anti-HCV positive participants (N = 5139)Abbreviations: EIA, enzyme immunoassay; CIA, chemiluminescent immunoassay; PCR, polymerase chain reaction.