Figure 8From: Investigation of a time-fractional COVID-19 mathematical model with singular kernelDynamical behavior of \(\mathbf{S}_{h}(t)\), \(\mathbf{I}_{h}(t)\), \(\mathbf{R}_{h}(t)\) and \(\mathbf{W}(t)\) at integer order \(p=1\)Back to article page