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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 .
Problèmes de la vaccination contre le typhus exanthématique (The problems of vaccinations against exanthematic typhus) (1928) Hélène Sparrow (5 June 1891 – 13 November 1970), was a Polish medical doctor and bacteriologist .
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]
Artom was to become one of the leading microbiologists of his generation. Nasta and Artom carried out important research while at the camp relating in particular to the aetiology and pathogenesis of exanthematic typhus. Nasta's findings were published that same year in an article co-authored with Cantacuzino, Bulla and Ionescu-Mihaiesti. [31]
Rickettsia typhi is a causative agent of murine typhus (endemic typhus) in humans and is distributed worldwide. [26] It is an acute, febrile illness that is mainly transmitted by the fleas of rodents, commonly associated with cities and ports where urban rats ( Rattus rattus and Rattus norvegicus ) are abundant. [ 26 ]
Geographer Dr. W. George Lovell suspects that the population decline is linked to an outbreak of either smallpox, measles, influenza, pneumonic plague, or exanthematic typhus originating from an outbreak amongst the Kachiquel Maya. [7]
Rickettsia conorii is a Gram-negative, obligate intracellular bacterium of the genus Rickettsia that causes human disease called boutonneuse fever, Mediterranean spotted fever, Israeli tick typhus, Astrakhan spotted fever, Kenya tick typhus, Indian tick typhus, or other names that designate the locality of occurrence while having distinct clinical features.
An exanthem is a widespread rash occurring on the outside of the body and usually occurring in children. [1] It is usually caused by a virus, [2] but an exanthem can be caused by bacteria, [3] toxins, drugs, other microorganisms, or as the result from autoimmune disease.