Table 1.

Predicated morbidity at different population density in the USA and Hubei, China

Population density	US morbidity	Population density	Hubei morbidity
100	1.4527	100	0.0273
200	2.1727	200	0.1773
300	2.8927	300	0.3273
400	3.6127	400	0.4773
500	4.3327	500	0.6273
600	5.0527	600	0.7773
700	5.7727	700	0.9273
800	6.4927	800	1.0773
900	7.2127	900	1.2273
1000	7.9327	1000	1.3773