Bacteria

Latin name Gram stain Morphology Disease Chapter

Acinetobacter

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Gram - bacteremia 25

Actinomyces species

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Gram + tooth decay 22

Bacillus species

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Gram + ocular infection, meningitis, endocarditis 9, 19, 20

Bacillus anthracis

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Gram + cutaneous anthrax, inhalation anthrax 1, 4, 5, 9, 19, 21, 26, 20

Bacillus cereus

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Gram + food poisoning 5, 22

Bacillus subtilis

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Gram + food poisoning in severely immunocompromised patients 18, 20

Bacteroides species

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Gram - pelvic inflammatory disease 22, 23

Bordetella pertussis

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Gram - pertussis (whooping cough) 4, 5, 6, 8, 21

Borrelia species

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Gram - bacteremia, relapsing fever 6, 25

Borrelia burgdorferi

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Gram - chronic meningitis, Lyme disease 6, 7, 8, 9, 24, 25

Borrelia recurrents

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Gram - relapsing fever 25

Brucella species

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Gram - bacteremia, brucellosis 6, 8, 25

Burkholderia mallei

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Gram - glanders 8

Burkholderia pseudomallei

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Gram - melioidosis 8

Campylobacter jejuni

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Gram - acute intestinal disease, Campylobacter enteritis, dysentery, watery diarrhea 18, 22

Chlamydia species

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Gram - genital tract infections, lymphogranuloma venereum, respiratory and cardiovascular disease, trachoma 4,19,23

Chlamydia trachomatis

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Gram - cervicitis, epididymitis, lymphogranuloma venereum, non-gonococcal urethritis, salpinglitis, trachoma 5, 6, 7, 18, 23, 26

Chlamydophila pneumonia

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Gram - atypical pneumonia, chlamydial pneumonia 21

Chlamydophila psittaci

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Gram - atypical pneumonia, psittacosis (ornithosis) 6, 8, 21

Clostridium species

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Gram + gastrointestinal infections, botulism, gas bangrene, tetanus 9, 22

Clostridium botulinum

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Gram + botulism, food poisoning 4, 5, 6, 8, 9, 10, 12, 18, 22, 24

Clostridium difficile

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Gram + gastrointestinal infections, superinfections 6, 19, 20, 22

Clostridium perfringens

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Gram + gas gangrene, food poisoning, watery diarrhea 5, 8, 10, 22, 26

Clostridium tetani

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Gram + tetanus (lockjaw) 1,4, 5, 6, 18, 24

Corynebacterium species

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Gram + catheter bacteremia, intravenous-line bacteremia 7, 9, 25, 26

Corynebacterium diphtheriae

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Gram + diphtheria 2, 4, 5, 6, 8, 11, 12, 21

Coxiella burnetii

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Gram - atypical pneumonia, Q fever 6, 8, 9, 18, 21

Enterobacter species

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Gram - bacteremia, nosocomial pneumonia 7, 21, 25

Enterococcus species

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Gram + dental diseases, diverticular abscesses, endocarditis, infections of the bowel, appendix, and liver 6, 7, 19, 20, 22, 23, 25

Enterococcus faecalis

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Gram + endocarditis 20

Escherichia coli

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Gram - cystitis, meningitis, opportunistic infections, nephritis, urethritis, watery diarrhea 1, 3, 5, 6, 7, 9, 10, 11, 18, 19, 20, 22, 23, 24, 25

Escherichia coli O104:H4

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Gram - bloody diarrhea, hemolytic uremic syndrome 1, 8

Escherichia coli O157:H7

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Gram - gastrointestinal infections, hemolytic uremic syndrome, renal failure 1, 5, 8, 20, 22, 28

Francisella tularensis

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Gram - tularaemia 6, 8, 25

Gardnerella vaginalis

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Gram variable bacterial vaginitis 23

Haemophilus ducreyi

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Gram - chancroid 6, 23

Haemophilus influenzae

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Gram - acute purulent meningitis 6, 7, 10, 21, 24

Haemophilus influenzae type B

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Gram - bacteremia, meningitis, pneumonia 24, 25

Helicobacter pylori

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Gram - chronic gastritis, gastric cancer, gastroduodenal ulcer, peptic ulcers 3, 5, 6, 7, 8, 9, 10, 15, 22

Klebsiella pneumoniae

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Gram - pneumonia 5, 7, 9, 20

Lactobacillus acidophilus

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Gram + dental caries 22, 23

Legionella pneumophila

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Gram - atypical pneumonia, legionellosis (Legionnaires’ disease) 6, 8, 21

Leptospira species

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Gram - bacteremia, chronic meningitis 24, 25

Listeria species

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Gram + bacteremia 20, 25

Listeria monocytogenes

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Gram + listeriosis 4, 6, 18, 24

Mycobacterium species

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Gram + pulmonary disease, skin disease, lymphadenitis 18, 19

Mycobacterium leprae

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Gram + leprosy 4, 6, 7, 9, 10, 15, 16, 19

Mycobacterium tuberculosis

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Gram + chronic meningitis, infections of the central nervous system, tuberculosis 1, 4, 5, 6, 7, 8, 9, 10, 15, 16, 17, 18, 19, 20, 21, 24

Mycoplasma

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no Gram reaction mild pneumonia 2, 4, 9

Mycoplasma pneumoniae

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no Gram reaction Mycoplasma pneumonia 5, 21

Neisseria species

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Gram - bacteremia 7, 9, 11, 15, 17, 20, 23

Neisseria gonorrhoeae

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Gram - bacteremia, gonorrhea, neonatorum (neonatal gonorrheal ophthalmia), ophthalmia 4, 5, 6, 7, 9, 17, 18, 20, 23, 25, 26

Neisseria meningitides

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Gram - acute purulent meningitis, bacteremia, meningitis 4, 5, 6, 24, 25

Nocardia

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Gram + nocardiasis 4

Propionibacterium acnes

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Gram + acne, chronic blepharitis, endophtahalamitis 7, 26

Proteus species

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Gram - nosocomial urinary tract infections 7, 23

Proteus mirabilis

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Gram - urinary tract infections 5

Pseudomonas species

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Gram - catheter bacteremia, intravenous-line bacteremia 6, 7, 11, 18, 19, 20, 23, 25

Pseudomonas aeruginosa

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Gram - aggressive keratitis, folliculitis, nosocomial infections 4, 6, 10, 19, 21, 23, 24, 26

Rickettsia species

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Gram - vector transmitted disease 4, 7, 19

Rickettsia akari

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Gram - rickettsial pox 25

Rickettsia prowazekii

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Gram - typus 6, 7, 8, 25

Rickettsia rickettsii

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Gram - Rocky Mountain spotted fever 5, 6, 25

Rickettsia typhil

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Gram - typhus 25

Salmonella species

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Gram - dysentery, food poisoning, gastrointestinal infections 3, 4, 5, 6, 8, 9, 10, 11, 15, 17, 18, 20, 22

Salmonella bongori

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Gram - bacteremia, acute enteritis 22

Salmonella enterica serovar Typhi

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Gram - bacteremia, typhoid fever 5, 6, 7, 10, 18, 22, 25

Shigella species

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Gram - shigellosis (bacillary dysentery) 3, 4, 5, 6, 8, 9, 11, 20, 22

Shigella boydii

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Gram - dysentery 22

Shigella dysenteriae

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Gram - bacillary dysentery, bacteremia, food poisoning, gastrointestinal infections 5, 12, 20, 22, 25

Shigella flexneri

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Gram - dysentery 22

Shigella sonnei

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Gram - dysentery 22

Staphylococcus species

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Gram + impetigo 10, 11, 15, 18, 19, 20, 26

Staphylococcus aureus

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Gram + boils (furuncles), carbuncles, catheter bacteremia, endocarditis, folliculitis, food poisoning, intravenous-line bacteremia, nosocomial pneumonia, scalded skin syndrome, skin infections, staphylococcal pneumonia, toxic shock 1, 4, 5, 6, 7, 9, 10, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26

methicillin-resistant Staphylococcus aureus (MRSA)

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Gram + antibiotic resistant nosocomial infections 1, 6, 20, 21, 23

vancomycin-resistant Staphylococcus aureus (VRSA)

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Gram + antibiotic resistant nosocomial infections 6, 20

Staphylococcus epidermidis

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Gram + catheter bacteremia, intravenous-line bacteremia 7, 25, 26

coagulase-negative staphylococci

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Gram + endocarditis, epididymitis, bacteremia, urinary tract and CNS infections 7, 25, 26

Streptococcus species

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Gram + dental diseases, diverticular abscesses, infections of the bowel, appendix, and liver 5, 7, 9, 15, 19, 20, 21, 22, 23 25, 26

group A streptococci

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Gram + erysipelas, impetigo, necrotizing fasciitis 21, 25, 26

group B streptococci

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Gram + neonatal sepsis, post partum infections 23, 24

group C streptococci

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Gram + pharyngitis 21

β-hemolytic streptococci

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Gram + bacteremia 25

Streptococcus mutans

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Gram + tooth decay 2, 5, 22

Streptococcus pneumoniae

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Gram + acute otitis media, acute purulent meningitis, bacteremia, meningitis, middle ear infections, pneumonia, sinusitis 4, 5, 6, 7, 9, 10, 11, 20, 21, 24, 25

Streptococcus pyogenes

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Gram + abscesses on the tonsils, acute tonsillitis, endocarditis, erysipelas, necrotizing fasciitis, pharyngitis, pneumonia, scarlet fever, strep throat, toxic shock 4, 5, 7, 9, 10, 19, 21, 26

Streptococcus salivarius

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Gram + tooth decay 22

Streptococcus viridans

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Gram + endocarditis 25

Treponema pallidum

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Gram - chronic meningitis, syphilis 5, 6, 7, 9, 10, 23, 24, 25

Ureaplasma urealyticum

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no Gram reaction non-gonococcal urethritis 23

Vibrio cholerae

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Gram - cholera 5, 6, 8, 9, 12, 20, 22

Vibrio cholerae 0139

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Gram - cholera 8, 20

Vibrio parahaemolyticus

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Gram - food poisoning, watery diarrhea 6, 22

Yersinia enterocolitica

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Gram - gastrointestinal infections 11, 22

Yersinia pestis

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Gram - plague (bubonic plague, pneumonic plague) 1, 5, 6, 8, 15, 19, 25