Skip to main content
. 2021 Dec 1;304(1):255–275. doi: 10.1016/j.ejor.2021.11.052

Table 6.

Transmission parameters and bi-weekly rates for COVID-19.

Parameter Description Data Reference
σ2,r Proportion of untested asymptomatic infections 0.15-0.4 Meller (2020)
λ1,r Recovery rate without hospitalization 0.69-0.79 Hogan (2020)
λ2,r Death rate without hospitalization 0.4 Trained using real data from JHU (2020)
λ3,r Hospitalization rate 0.21-0.31 Hogan (2020)
λ4,r Recovery rate with hospitalization 0.88 Hogan (2020)
λ5,r Death rate with hospitalization (No ventilators) 0.4 Trained using real data from JHU (2020)
λ6,r Ventilator requirement rate of hospitalized 0.12 Hogan (2020)
λ7,r Recovery rate with ventilator 0.643 Bernstein (2020)
λ8,r Death rate with ventilator 0.357 Bernstein (2020)
λ9,r Recovery rate with asymptomatic infections 1 Bertsimas et al. (2020)