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Table 1 Optimal parameter values for the three models (1a)–(1e), (3a)–(3e) and (4a)–(4e) obtained from the minimization problem (6a)–(6b)

From: Early stage COVID-19 disease dynamics in Germany: models and parameter identification

Parameter \(\beta_{0}\) δ μ \(E_{0}+I_{0}\) \(\beta_{1}\) \(\beta_{2}\) \(L^{2}\)-diff
Fit until Model        
16.03.20 basic 0.566 0.372 0.0034 418 0.3771
07.04.20 time-dep 0.523 0.308 0.0087 659 0.3561 0.1788 0.2721
07.04.20 delay 0.553 0.202 0.0389 930 0.3578 0.1415 0.2242
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