Editing Compartmental models (epidemiology) (section)

===Interacting Subpopulation SEIR Model===

As social contacts, disease severity and lethality, as well as the efficacy of prophylactic measures may differ substantially between interacting subpopulations, e.g., the elderly versus the young, separate SEIR models for each subgroup may be used  that are mutually connected through interaction links.<ref name=":0" /> Such Interacting Subpopulation SEIR models have been used for modeling the COVID-19 pandemic at continent scale to develop personalized, accelerated, subpopulation-targeted vaccination strategies<ref>{{Cite medRxiv |vauthors=Hunziker P |date=2021-03-07 |title=Vaccination strategies for minimizing loss of life in Covid-19 in a Europe lacking vaccines |medrxiv=10.1101/2021.01.29.21250747}}</ref> that promise a shortening of the pandemic and a reduction of case and death counts in the setting of limited access to vaccines during a wave of virus Variants of Concern.