Table 2.

Characteristics of migration networks for 14 major notifiable infectious diseases in the mainland of China during 2016–2020.

Disease	Domestic migratory cases	Nodes	Edges	Density	City clustersa	Modularity
Hepatitis B	767,158	337	31,561	0.279	15	0.769
Tuberculosis	465,894	337	22,230	0.196	17	0.806
HFMD	342,572	337	14,931	0.132	19	0.838
Syphilis	306,750	337	26,683	0.236	15	0.752
Influenza	201,624	337	14,285	0.126	14	0.790
Hepatitis C	141,804	337	13,970	0.123	16	0.831
HIV/AIDS	122,893	337	18,214	0.161	15	0.718
Gonorrhea	76,268	337	15,010	0.133	18	0.703
Brucellosis	39,198	330	2664	0.025	18	0.805
Mumps	25,804	337	5099	0.045	23	0.894
Hepatitis E	21,855	335	3294	0.029	20	0.867
Pertussis	18,200	315	1127	0.011	18	0.814
Shigellosis	11,108	337	3412	0.030	22	0.906
Hepatitis A	10,708	337	2374	0.021	21	0.885

^aThe number of city clusters, where each cluster contains ≥3 cities.