Wars and conflict contribute to the reemergence of polio due to lack of access to vaccination and healthcare in displaced populations.
Polio was shown to be high in areas with increased conflict and instability. Displaced populations living in hard-to-reach areas may lack access to proper vaccination and health care. Wars and conflict have also resulted in the reemergence of polio in otherwise polio-free countries.
Akil et al. (Thu,) studied this question.