Produces H2S gas and Necrotizing infections

Bacillus represents a genus of Gram-positive bacteria with the ability to produce endospores when environmental
conditions are stressful. The only other known spore-producing bacterium is Clostridium.
B. anthracis causes anthrax.
B.cereus cause toxin-mediated food poisoning.  two toxins released by the bacterium lead to vomiting and diarrhea,
symptoms similar to those of Staphylococcus food poisoning. Because toxin production usually takes place after the
infected foods are cooked,

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Bacillus cereus is increasingly being acknowledged as. a serious bacterial pathogen in immunocompromised.
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(From the De#artment of An6nal Pathelogy of The Rockefeller lnatitute for Medical
Research, Princeton, N, Y.)
(Received for publication, March 5, 1920.)
Hirschfeld (1) has described an epidemic of clinical paratyphoid fever which
occurred in Serbia or Greece from which he obtained organisms culturally paratyphoid
B or Bacillus schettmalleri, but which were not agglutinated by the sera
of animals immune to the latter bacillus. These organisms were isolated eighteen
times, twice being obtained after death. Sera obtained from patients in this
epidemic agglutinated the organisms isolated in some cases in dilutions as high
as 1:800. MacAdam (2) obtained similar inagglutinable paratyphoid bacilli
in Mesopotamia from the blood stream of patients who clinically showed
respiratory rather than enteric symptoms. Mackie and Bowen (3) have described
cultures of the same group, as shown by Schiitze's (4) work. The latter compared
twelve cultures obtained from febrile cases occurring in the Balkan region, the
organism isohted by the above writers being included. All the cultures were
agglutinated by and absorbed the agglutinin from the serum of an animal immune
to one of Hirschfeld's strains. Hirschfeld cared his organisms paratyphoid
C and Schiitze cared them Hirschfdd's bacillus.