2020
DOI: 10.1101/2020.04.04.20053637
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Development of the reproduction number from coronavirus SARS-CoV-2 case data in Germany and implications for political measures

Abstract: The novel Coronavirus SARS-CoV-2 (CoV) has induced a world-wide pandemic and subsequent non-pharmaceutical interventions (NPI) in order to control the spreading of the virus. NPIs are considered to be critical in order to at least delay the peak number of infected individuals and to prevent the health care system becoming overwhelmed by the number of patients to treat in hospitals or in intensive care units (ICUs). However, there is also increasing concern that the NPIs in place would increase mortality becaus… Show more

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Cited by 70 publications
(169 citation statements)
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References 36 publications
(48 reference statements)
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“…7b). This is in accordance with recent modeling studies [22], which suggest that the effective reproduction number R ≈ 1 as of April 2, meaning that the disease free equilibrium is on the verge of instability (cf. Fig.…”
Section: Ld Partial Economic and Social Activitiessupporting
confidence: 93%
See 1 more Smart Citation
“…7b). This is in accordance with recent modeling studies [22], which suggest that the effective reproduction number R ≈ 1 as of April 2, meaning that the disease free equilibrium is on the verge of instability (cf. Fig.…”
Section: Ld Partial Economic and Social Activitiessupporting
confidence: 93%
“…6a). This matches with estimations of the RKI [31] and findings by other groups which are also currently studying the situation in Germany [9,22]. This naturally results in a significant uncertainty of the projection since small deviations of the parameters can make the difference between further growing active case numbers or slowly declining numbers.…”
Section: Ld Partial Economic and Social Activitiessupporting
confidence: 87%
“…At initial time point t 0 , for our model S = 1; further assuming κ U = 1 and κ I = 1, we note that Equation 18 boils down to R 0 = β γ which agrees with the standard SIR model. The basic reproduction number R 0 can be generalized over time to obtain time dependent reproduction number R t that represents can be interpreted as the expected number of secondary cases produced by a single infection in a completely susceptible population at some time point t during the pandemic [4]. We can further extend Equation 18, to compute R t :…”
Section: Methodsmentioning
confidence: 99%
“…The basic reproduction number R 0 is defined as the expected number of secondary cases produced by a single infection in a completely susceptible population during the initial phase of the pandemic [4]. We follow the next generation matrix method for calculating the R 0 value of our SUIR model [6].…”
Section: Appendixmentioning
confidence: 99%
“…2. We use the same compartments and transition-types but simplify the notation compared to [25] to make the intuitive meaning of the variables clearer 3 . We denote the compartments by C = {S, E, C, I, H, U, R, D}, where each node can be susceptible(S), exposed (E), a carrier (C), infected (I), hospitalized (H), in the (intensive care unit (U), dead (D), or recovered (R).…”
Section: A Network-based Covid-19 Spreading Modelmentioning
confidence: 99%