Table 1.

COVID-19 data with vaccination in some selected countries [4].

	$k$	$b$	$\eta$	$R_0$
FINLAND	0.997	0.0002	0.00140	1.00160
GERMANY	0.915	0.0012	0.00190	1.09082
FRENCH	0.886	0.0027	0.00065	1.12793
USA	0.868	0.0081	0.00195	1.14983
ISRAEL	0.855	0.1283	0.00835	1.15982
BRAZIL	0.790	0.0099	0.00505	1.25943
MEXICO	0.712	0.0044	0.00680	1.39494