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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Dynamics of the COVID-19 epidemic in Ireland under mitigation

Fig. 1

Flow diagram of the model, with λ’(t) = β(t).(I1 + q1.I2 + q2.(A1 + A2))/N then the force of infection is λ(t) = λ’(t).S(t). β(t) is the time-varying transmission rate, σ the incubation rate, γ the recovery rate, 1/κ the average hospitalized period, 1/δ the average time spent in ICU, τA the fraction of asymptomatics, τH the fraction of infectious hospitalized, τI the fraction of ICU admission, τD the death rate, q1 and q2 the reduction of transmissibility of I2 and Ai, qI the reduction of the fraction of people admitted in ICU and qD the reduction of the death rate. The subscripts 1 and 2 are for the 2 stages of the Erlang distribution of the considered variable. The hospital discharge is the flow from H2 to R. Flows in blue are from hospital (Hi) and flow in red from ICU

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