How does social behavior lead to clusters of vaccinehesitancy? plos
, we find that as the social network is made less spatial, there is a larger reduction in spatial clustering, and that this impact increases with larger values of social influence.Vaccination hesitancy is a dangerous behavior that threatens the maintenance of herd immunity, and spatial clustering of this behavior amplifies outbreak potential even when the behavior is rare.
Transitioning to this large population perspective is, as data collection is feasibly and routinely done at this scale, and state-level and national public health policies are designed and implemented at this scale. To achieve this, we use a complex network approach to describe the spatial structure of counties in the United States, and we develop two generative models that describe influence and selection.
Past work has demonstrated that exposure to a hesitant neighborhood in online social networks leads to hesitant behavior, so we hypothesized that both social processes are likely to co-occur. Our theoretical findings of the combined processes suggest that when the a society trusts hesitancy propaganda, social selection plays an important role and many smaller clusters of hesitancy appear.
To aid in the development of effective public health mitigation strategies, we take advantage of our theoretical results. We proposed two intervention strategies to reduce not only vaccine hesitancy levels, but to also reduce spatial clustering in hesitancy to have a disproportionate decline in outbreak potential. Our past work highlights that public health policies can affect both vaccine uptake as well as the spatial distribution of vaccination and must be implemented with caution [].
Danmark Seneste Nyt, Danmark Overskrifter
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