Salmonellosis and Typhoid Fever Incidence 30 826242 Salmonellosis 2 1 12 Typhoid fever 0 8 6 4 2 0 1936 42 48 5460 667278 '84 '90 96 2002 Year Figure 25.10 Salmonellosis and Typhoid Fever Incidence Figure 25.10