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Table 1 Parameters of the SARS-CoV-2 transmission model

From: Risk estimation of the SARS-CoV-2 acute respiratory disease outbreak outside China

SymbolDescriptionValueReference
βTransmission rate0.8238datafitted
qTransmission reduction factor for exposed individuals1Assumed
δTransmission reduction factor for asymptomatic infectious individuals1Assumed
κProgression rate from exposed to infectious individuals1/5.2[7]
pProportion of exposed individuals who become asymptomatic infectious0Assumed
αQuarantine rate1/5[8]
γARecovery rate for asymptomatic individuals1/10Assumed
γQRemoval rate for quarantined individuals1/20Assumed