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.
epidemic typhus. n. A form of typhus characterized by high fever, mental and physical depression, and macular and papular eruptions; it is caused by Rickettsia prowazekii and transmitted by body lice.yphus. acute infectious diseases caused by Rickettsia which are usually transmitted from infected rats and other rodents to humans by lice, fleas, ticks and mites. Abyssinian tick typhus. see boutonneuse fever. canine typhus, canine tick typhus. see canine ehrlichiosis. epidemic typhus. see rickettsia prowazeki.