Table 1.

Reasons for excluding articles for the systematic review, 2010–2020.

Exclusion criteria	Number of references
Did not focus on human vaccination	83
Did not focus on decision-making for national vaccine introduction	3,005
Focused on hypothetical decision-making	206
Did not focus on direct influencing factors	54
Focused on economic evaluation of the vaccination	149
Language of the article other than English, Spanish, or French	42
Total	3,539