Factors influencing healthcare professionals’ confidence in vaccination in Europe: a literature review

Figures & data

Table 1. Keywords used in the search strategy

Concept	List of keywords
Vaccination	Immunis* OR immuniz* OR vaccin*
AND
Healthcare professionals	“healthcare worker*” or “health worker*” or “health professional*” or “healthcare professional” or midwi* or nurse* or doctor* or GP* or pediatrician* or pediatrician* or “general practitioner*” or physician* or gynecologist* Or gynecologist*
AND
Vaccine hesitancy	Anxiety OR attitude* OR awareness OR behavi*r OR belief* OR criticis* OR accept* OR confiden* OR doubt* OR distrust OR choice* OR mandatory OR fear* OR hesitan* OR concern* OR “decision making” OR trust OR mistrust OR perception* OR refus* OR reject* OR rumo*r OR compulsory OR anti-vaccin* OR anti-vax* OR resist* OR intent* OR controvers* OR misconception* OR misinformation* OR opposition* OR knowledge* OR objection* OR uptake OR barrier* OR skeptic* OR Uncertain* OR risk* OR opinion*
AND
Countries of interest	Europe* OR Austria OR Belgium OR Flanders OR Wallonia OR France OR Germany OR Greece OR Hungary OR Ireland OR Italy OR Luxembourg OR Netherlands OR Poland OR Romania OR Spain OR UK OR Britain OR England OR Scotland OR Wales OR Turkey OR Morocco OR Switzerland OR Estonia OR Latvia OR Lithuania OR Bulgaria OR Croatia OR Portugal OR Slovakia OR Slovenia OR Cyprus OR Malta OR Czech OR Denmark OR Sweden OR Finland

Figure 1. PRISMA Flowchart.

Figure 2. Number of studies by country and vaccine.