1887: Anton Weichselbaum discovered meningococcus, also known as Neisseria meningitidis, the bacterium that causes meningitis. Big Outbreaks: 2012: 64 

Weichselbaum har i Wiener klinische Wochenschr. pneumonierna och pleuriterna, utan äfven med öfriga, såsom otitis, meningitis och andra varbildningar.

is a leading cause of bacterial meningitis . and sepsis in the United States. It can also cause focal disease, such as pneumonia and arthritis. N. meningitidis. is also a cause of epidemics of meningitis and bacteremia in sub-Saharan Africa. Bacteria called Neisseria meningitidis cause meningococcal disease. About 1 in 10 people have these bacteria in the back of their nose and throat without being ill.

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Virulent organisms are strongly gram-negative and occur singly or in pairs; in the latter case the cocci are elongated and are arranged with long axes parallel and facing sides kidney shaped. He deals in a very thorough manner with these cases, con. eluding, as also does Weichselbaum, that the meningitis is generally secondary to affection of the naso-pharynx or adjoining sinuses, more rarely to middle-ear disease, occur- ring in consequence of a pre-existing, and more usual type of, influenza. Abstract.

History: 1805: First recorded outbreak in Switzerland. Gaspard Vieusseux described meningococcal meningitis. 1887: Anton Weichselbaum discovered meningococcus, also known as Neisseria meningitidis, the bacterium that causes meningitis. Big Outbreaks: 2012: 64 fatalities and 700 infected by fungal meningitis in Massachusetts from contaminated drugs. Recent Outbreaks:

1920)of Vienna became the first to isolate the specific germ meningococci.(3). Meningitis is an infection of  Dec 1, 2015 Later, in 1887, Weichselbaum provided the first identification of the from the cerebrospinal fluid of a patient suffering from meningitis.

In the years 1885–87, Anton Weichselbaum, a pathologist from Vienna (Austria-Hungary), while studying germs that caused meningitis, found in the post-mortem examination of eight patients who died from sporadic meningitis, was able to culture Diplococcus pneumoniae from two of them, whereas in the other six patients he observed a different microorganism, and he named it Diplococcus on the basis of its morphology, intracellularis on the basis of its location, and meningitidis due to its

[87] Die Sterblichkeit durch Meningitiden war in den frühen Berichten sehr hoch (über 90 %). A species found in the nasopharynx; the causative agent of meningococcal meningitis. Virulent organisms are strongly gram-negative and occur singly or in pairs; in the latter case the cocci are elongated and are arranged with long axes parallel and facing sides kidney shaped. 1805-The first instance when meningococcal disease (meningitis) was described and recorded by Swiss physician Gaspard Vieusseux after an outbreak in Geneva, Switzerland.

At an ultrasonic level N. meningitidis has a prominent polysaccharide capsule not seen in the gonococcus. A species found in the nasopharynx; the causative agent of meningococcal meningitis. Virulent organisms are strongly gram-negative and occur singly or in pairs; in the latter case the cocci are elongated and are arranged with long axes parallel and facing sides kidney shaped. ^ Weichselbaum, A. (1887). „Ueber die Aetiologie der akuten Meningitis cerebro-spinalis”.
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Anton Weichselbaum, a Viennese pathologist, isolated the causative agent of epidemic cerebrospinal meningitis in 1887; he named this microorganism Diplococcus intracellularis meningitidis.

Shortly after, came the first description of lumbar puncture in living patients , leading to the isolation of meningococci from acute cases Anton Weichselbaum. Anton Weichselbaum (8 February 1845 – 23 October 1920) was an Austrian pathologist and bacteriologist born near the town of Langenlois.
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Dec 1, 2015 Later, in 1887, Weichselbaum provided the first identification of the from the cerebrospinal fluid of a patient suffering from meningitis. The only 

He retired in 1916. Weichselbaum was among the first to recognize the importance of bacteriology for pathological anatomy.