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"I hate needles" and other factors impacting on travel vaccine uptake.

Travel vaccines comprise an essential component of pretravel health advice; however, many travelers do not take advantage of this preventive health strategy to decrease their risk of travel-related illness. Factors that impact on a traveler's decision on whether or not to be vaccinated are related to the knowledge, attitudes and beliefs of the traveler regarding travel vaccines, vaccine-preventable diseases, and other factors. Further research is required to increase travelers' awareness of the need for pretravel vaccination and then to translate that awareness into positive attitudes leading to increased travel vaccine uptake.