Vaccine Hesitancy: Clarifying a Theoretical Framework for an Ambiguous Notion

The term “vaccine hesitancy” (VH) is increasingly used to describe the spread of such vaccine reluctance. But VH is an ambiguous notion and its theoretical background appears uncertain. To clarify this concept, we first review the current definitions of VH in the public health literature and examine its most prominent characteristics. Secondly, we underline some of the ambiguities of this notion and argue that it is more a catchall category than a real concept.

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