Fig 1.
Diagram of the 2-strain COVID-19 model.
Table 1.
Parameters of the model.
Table 2.
Estimation of parameters of the model.
Fig 2.
This figure shows the actual number of daily COVID-19 cases (black lines) and fitting results (blue and red areas) of each strain after preprocessing.
The blue area shows the fitting results of the original virus and Delta variant, and the red area shows the fitting results of the Omicron variant.
Fig 3.
Stability of the three equilibria using the cases in Table 3.
Table 3.
Transmission rates for each case.
Fig 4.
Control strategy 1.
Table 4.
Control strategy 1.
Fig 5.
Control strategy 2.
Table 5.
Control strategy 2.
Fig 6.
Control strategy 3.
Fig 7.
Control strategy 1 and 3.
Table 6.
Control 1 & 3 strategy.