Common risk factors in the development of<unk>  include a lack of immunization, a history of travel to areas endemic for<unk> , exposure to overcrowding and/or poor sanitary conditions, and immunocompromised status.
Diphtheria risk factors
Typhoid fever risk factors
Anaphylaxis risk factors
Typhus risk factors
Strep throat risk factors
Rabies risk factors
Stevens-Johnson syndrome risk factors
Measles risk factors