Table A1. Values of the initial conditions used for the fitting and the objective function J given in (3).

Countries	N(0)	$E(0)$	$A(0)$	$I(0)$	$Q(0)$	$H(0)$	$R(0)$	C(0)	$J_0$	$J_1$
Australia	25,499,884	0	3	0	0	0	0	3	0.52	0.029
Brazil	212,559,417	100	100	1	0	0	110	1	0.10	0.06
Italy	60,461,826	1	10	2	1	0	0	2	0.13	0.04
S. Africa	59,355,826	1	1	218	1	100	0	927	0.09	0.92
UK	67,988,148	9,860	48,000	967	9,860	9,560	9,760	6,654	0.17	0.02
US	331,002,651	5	10	1	0	0	5	1	0.16	0.05