Finally, it misses low-sensitivity responses because it cannot detect allergic disease at sensitivities less than the concentration of the antigen placed. The treatment of allergic rhinitis with immunotherapy: A review of 1,000 cases
Definition. Typhoid fever is caused by Salmonella typhi bacteria. Typhoid fever is rare in industrialized countries. However, it remains a serious health threat in the developing world, especially for children.efinition. Typhoid fever is caused by Salmonella typhi bacteria. Typhoid fever is rare in industrialized countries. However, it remains a serious health threat in the developing world, especially for children.
Typhus, also known as typhus fever is a group of infectious diseases that include epidemic typhus, scrub typhus, and murine typhus. Common symptoms include fever, headache, and a rash. Typically these begin one to two weeks after exposure. They are caused by a bacterial infection.