Fig. 22

Dynamical behavior of fractional Corona model for the case \(\eta =0.8\) before and after optimizing the vaccination rate \(\beta _{3}\) of \(S_{1}\) individuals.
Dynamical behavior of fractional Corona model for the case \(\eta =0.8\) before and after optimizing the vaccination rate \(\beta _{3}\) of \(S_{1}\) individuals.