We now give a more formal definition of the total, direct and indirect causal effect. For notational simplicity, we use the following abbreviation for a univariate random variable \(V_{i,t}\) under a do-intervention (Pearl, 1995) on the facial-mask policy \(M_{i,t}\) (treatment varia...
(2022) (https://datenservice.kof.ethz.ch) as a proxy measure for the stringency of control interventions. We extracted seroprevalence estimates for SARS-CoV-2 of the Swiss population from the Corona Immunitas studies (www.corona-immunitas.ch), which measured seroprevalence from either naturally ...
Country Digital Tool Function Austria STOPP CORONA contact tracing; health functionalities Croatia Stop COVID-19 contact tracing Finland Koronavilkku (CoronaBlinker) OMAOLO contact tracing COVID-19 symptoms checking Germany Corona-Warn- App contact tracing Ireland COVID Tracker contact tracing; COVID-...