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Illness from a sting of rats (a sodoka and a streptobacillosis)

Table of contents
Illness from a sting of rats (a sodoka and a streptobacillosis)
To Sodok
Differential diagnosis
Treatment and prevention

This term integrates two independent diseases caused by different activators, but having the general mechanism of infection, a similar pathogenies and a clinical picture — a sodoka and a streptobacillosis.
English — rat bite fever.

Short historical data.

The first descriptions of the illness connected with a sting of rats appeared in Japan more than 2 millennia ago, Japanese also called its "sodoka" (from so — a rat, doku — poison, i.e. rat poison). As it appeared, this infection is not strictly endemic for Japan. Since the end of the XIX Art. there were messages on cases of developing of similar diseases almost in all countries of Europe including in Russia, and also in other parts of the world. The activator was allocated in 1887 in India by Carter, it gave it the name Spirillum minor. Later 20 flyings (1917) already under the name "Spirochaeta morsus muris" it was described by Takaki, Taniguki and Osum's Japanese researchers who allocated it from lymph nodes and blood of the person who died from a sodoka. Now the term Spirochaeta minus is accepted.
Further researches, development of microbiological equipment allowed to find out that with the similar mechanism of infection and very similar clinical picture also other activator — a streptobacillus can cause diseases. The N of Schottmuller (1914) gave it the name Streptotrix muri rati (modern — Streptobacillus moniliformis). But, as it appeared, the streptobacillus can get into an organism and some other way. So, in 1926 in the American city of Gaverkhill there were several outbreaks of an illness which causative agents came to an organism as it became clear, with infected with food and water, from here and the name of an illness "gaverkhillsky fever" (a synonym — a streptobacillosis).
In the next years it was established that the illness etiologically differs from a sting of rats in different regions: in Europe, Asia (including Japan) cause it mainly a sperilla (this pathology is designated usually as to "sodok"), in North and South America — a streptobacillus (a disease call "streptobacillosis").


The illness from a sting of rats meets everywhere as rats live everywhere, easily migrate from the continent on the continent, mainly by cargo steamships. Infectiousness of these rodents in the countries of East Asia is highest: in Japan more than 5% of rats, in India are infected —
about 13%. The disease is more often
meets in the Asian countries, mainly in the form of sporadic cases. Certainly, cases of diseases occur also at us, but insufficient knowledge of doctors of this pathology, lack of vigilance and necessary diagnosticums complicate recognition of this infection.

"Lyme's illness   Botulism"