Meningococcal disease Meningococcal disease , also called meningococcal meningitis , is infections caused by the bacterium meningococcus (Neisseria meningitidis ). If left untreated, the death rate is high. However, it can be prevented by vaccines . The disease is best known for causing meningitis . It also causes blood infection, which then leads to sepsis .
There are over 2,600 cases of bacterial meningitis in the United States per year. In developing countries, there are over 333,000 cases per year. The case death rate is between ten and twenty percent.
Meningococcal disease is not as spreadable as the common cold . However, it can be passed between people through saliva .
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Rickettsiales
Rickettsiaceae/ (Rickettsioses)
Typhus Rickettsia typhi Rickettsia prowazekii Spottedfever
Tick-borne Rickettsia rickettsii Rocky Mountain spotted fever Rickettsia conorii Rickettsia japonica Rickettsia sibirica Rickettsia australis Rickettsia honei Flinders Island spotted fever Rickettsia africae Rickettsia parkeri Rickettsia aeschlimannii Rickettsia aeschlimannii infection Mite-borne Rickettsia akari Orientia tsutsugamushi Flea-borne
Anaplasmataceae Ehrlichiosis: Anaplasma phagocytophilum Human granulocytic anaplasmosis, Anaplasmosis Ehrlichia chaffeensis Human monocytotropic ehrlichiosis Ehrlichia ewingii Ehrlichiosis ewingii infection
Hyphomicrobiales
Brucellaceae Bartonellaceae Bartonellosis: Bartonella henselae Bartonella quintana Either B. henselae or B. quintana Bartonella bacilliformis Carrion's disease, Verruga peruana
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Neisseriales
M+ Neisseria meningitidis/meningococcus M− Neisseria gonorrhoeae/gonococcus ungrouped: Eikenella corrodens /Kingella kingae Chromobacterium violaceum Chromobacteriosis infection
Burkholderiales Burkholderia pseudomallei Burkholderia mallei Burkholderia cepacia complex Bordetella pertussis/Bordetella parapertussis
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Enterobacteriales (OX−)
Lac+ Escherichia coli : Enterotoxigenic Enteroinvasive Enterohemorrhagic O157:H7 O104:H4
Hemolytic-uremic syndrome Enterobacter aerogenes/Enterobacter cloacae Slow/weak Serratia marcescens Citrobacter koseri /Citrobacter freundii Lac−
H2S+ H2S− Shigella dysenteriae/sonnei/flexneri/boydii Shigellosis, Bacillary dysentery Proteus mirabilis /Proteus vulgaris Yersinia pestis Yersinia enterocolitica Yersinia pseudotuberculosis Far East scarlet-like fever
Pasteurellales
Haemophilus: H. influenzae Haemophilus meningitis Brazilian purpuric fever H. ducreyi H. parainfluenzae Pasteurella multocida Pasteurellosis Actinobacillus Aggregatibacter actinomycetemcomitans
Legionellales Thiotrichales Vibrionaceae Pseudomonadales Xanthomonadaceae Stenotrophomonas maltophilia Cardiobacteriaceae Aeromonadales Aeromonas hydrophila/Aeromonas veronii
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