Fig. 2

Final epidemic size \((R\left(\infty \right))\) colored with black, suspected susceptible \((S\left(\infty \right))\) colored with blue, lockdown \((L\left(\infty \right))\) colored with violet, infected \((I\left(\infty \right))\) colored with red and vaccinated \(\left(V\left(\infty \right)\right)\) with green. Parameters used are i \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.0, q=0.0, l=0.0\) and \(\delta =0.0\). ii \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.5, q=0.0, l=0.0\) and \(\delta =0.01\). iii \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.8, q=0.0, l=0.0\) and \(\delta =0.05\). iv \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.95, q=0.0, l=0.0\) and \(\delta =0.05.\) v \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.95, q=0.0, l=0.0\) and \(\delta =0.1\). vi \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.0, q=0.3, l=0.01\) and \(\delta =0.0\). and (vii) \(\beta =1.0, \gamma =0.1, \alpha =1/5,\eta =0.0, q=0.8, l=0.01\) and \(\delta =0.0\)