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https://www.brookings.edu/blog/up-front/2020/05/15/developing-policies-for-effective-covid-19-containment-the-trace-model/?utm_campaign=BrookingsBrief&utm_source=hs_email&utm_medium=email&utm_content=88024714
https://www.eurolitnetwork.com/russian-and-me-by-katia-gregor/
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef22024en.pdf