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.
Typhoid fever, also known as enteric fever, is a potentially fatal multisystemic illness caused primarily by Salmonella enterica, subspecies enterica serovar typhi and, to a lesser extent, related serovars paratyphi A, B, and C. The protean manifestations of typhoid fever make this disease a true diagnostic challenge.