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Typhus, also known as typhus fever, is a group of infectious diseases that include epidemic typhus, scrub typhus, and murine typhus. [1] Common symptoms include fever, headache, and a rash. [1] Typically these begin one to two weeks after exposure. [2] The diseases are caused by specific types of bacterial infection. [1]
Epidemic typhus, also known as louse-borne typhus, is a form of typhus so named because the disease often causes epidemics following wars and natural disasters where civil life is disrupted. [ 4 ] [ 5 ] Epidemic typhus is spread to people through contact with infected body lice , in contrast to endemic typhus which is usually transmitted by fleas .
Scrub typhus or bush typhus is a form of typhus caused by the intracellular parasite Orientia tsutsugamushi, a Gram-negative α-proteobacterium of family Rickettsiaceae first isolated and identified in 1930 in Japan. [2] [3]
Murine typhus, a rare infection (20-100 cases a year in the U.S.) caused by the bacterium Rickettsia typhi and transmitted by the feces of cat or rat fleas coming in contact with a break in the ...
Murine typhus, also known as endemic typhus or flea-borne typhus, is a form of typhus transmitted by fleas (Xenopsylla cheopis), usually on rats, in contrast to epidemic typhus which is usually transmitted by lice. [1] [2] [3] Murine typhus is an under-recognized entity, as it is often confused with viral illnesses. Most people who are infected ...
[1] [4] R. typhi is a flea-borne disease that is best known to be the causative agent for the disease murine typhus, which is an endemic typhus in humans that is distributed worldwide. [3] As with all rickettsial organisms, R. typhi is a zoonotic agent that causes the disease murine typhus , displaying non-specific mild symptoms of fevers ...
Mary Mallon was born in 1869 in Cookstown, County Tyrone, Ireland.She may have been born with typhoid fever as her mother was infected during pregnancy. [5] [6] [7] In 1884 at the age of 15, she emigrated from Ireland to the United States.
Amid mounting fears over the potentially deadly diseases the creatures can spread, one mother is raising concerns about a type of tick so small most people wouldn't be able to spot it on their own ...