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Table 2 Description of parameters used in our model

From: Regional opening strategies with commuter testing and containment of new SARS-CoV-2 variants in Germany

Parameter

Description

k

Seasonality parameter for \(s_k(t):=1+k\sin \left( \pi \left( \frac{t}{182.5}+\frac{1}{2}\right) \right)\); cf. [14]

\(\rho ^{(0)}\)

Baseline transmission risk

\(\rho\)

Transmission risk with seasonality effects: \(\rho =s_k(t)\rho ^{(0)}\)

\({\xi _C}\)

Proportion of carrier individuals not isolated

\({\xi _I}\)

Proportion of infected individuals not isolated

\(T_E^C\)

Period of latent non-infectious stage

\(\mu _C^R\)

Proportion of mild, asymptomatic cases

\(T_C^R\)

Period of asymptomatic stage before recovery

\(T_C^I\)

Period of latent infectious stage

\(\mu _I^H\)

Proportion of symptomatic cases needing hospitalization

\(T_I^H\)

Period of mild symptoms for individuals requiring hospitalization later on

\(T_I^R\)

Period of mild symptoms for individuals not requiring hospitalization later on

\(\mu _H^U\)

Proportion of hospitalized individuals getting ICU treatment

\(T_H^U\)

Period of hospitalization before ICU treatment (of critical cases)

\(T_H^R\)

Period of hospitalization before recovery (of non-critical cases)

\(\mu _U^D\)

proportion of individuals in ICU care that die

\(T_U^R\)

Period of ICU treatment before recovery

\(T_U^D\)

Period of ICU treatment before death