“…For example, a systematic review on attitudes towards HPV vaccination in migrants found that attitudes often changed for the better once information was given (59), and low awareness about a vaccine or vaccine-preventable disease has been shown to be a key barrier to vaccination (60). Some refugee and migrant populations face specific barriers to information access, such as digital literacy or lack of technology (40,61), language barriers (11,32,39,40,47,51,(61)(62)(63)(64), poor doctor-patient communication (41,60,64,65), or a lack of information in an accessible and acceptable format (44,47,60,61,64), leading to low awareness. The evidence suggests that prior to a vaccination campaign, research should be done on what information is felt to be important among different groups (41,42,47,61,63,66).…”