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 How is this determined?
How is this determined?
| Typhus 194 Fever 89 Infectious 50 Lice 38 blood 29 Murine typhus 22 Cholera 10 vaccination 10 Russian 10 Death 8 Rocky Mountain spotted fever 7 tropical 7 Plague 7 Endemic typhus 7 winter 7 influenza 6 skin 6 Malaria 5 Smallpox 5 Hemorrhagic 5 headache 5 Scabies 5 Q fever 5 Dengue 5 vaccines 4 hepatitis 4 | Rickettsial infection 4 Inflammatory 4 weather 4 environment 4 Encephalitis 4 lead 4 summer 4 Leishmaniasis 4 Tularemia 4 Nutrition 4 Syphilis 4 Leptospirosis 4 Meningitis 3 Typhoid fever 3 pain 3 antibiotics 3 Methionine 3 water 3 smoking 3 Psittacosis 3 Endocarditis 3 radiation 3 renal failure 3 Glucose 3 Rickettsialpox 3 |