This is a list of bacteria that are significant in clinical medicine . Please add to and amend this list as necessary. Please note that this is not intended as an exhaustive list of all bacterial species: that should be at List of bacteria . For viruses, see list of viruses.

A

Acetobacter aurantius -- Actinobacillus actinomycetemcomitans -- Agrobacterium tumefaciens -- Azorhizobium caulinodans -- Azotobacter vinelandii --

B

Bacillus anthracis -- Bacillus brevis -- Bacillus cereus -- Bacillus fusiformis -- Bacillus licheniformis -- Bacillus megaterium -- Bacillus stearothermophilus -- Bacillus subtilis -- Bacteroides gingivalis -- Bacteroides melaninogenicus -- Bartonella henselae -- Bartonella quintana -- Bordetella bronchiseptica -- Bordetella pertussis -- Borrelia burgdorferi -- Branhamella catarrhalis -- Brucella abortus -- Brucella melitensis -- Brucella suis -- Burkholderia mallei -- Burkholderia pseudomallei --

C

Calymmatobacterium granulomatis -- Campylobacter coli -- Campylobacter jejuni -- Campylobacter pylori -- Chlamydia pneumoniae -- Chlamydia psittaci -- Chlamydia trachomatis -- Chlamydophila pneumoniae -- Chlamydophila psittaci -- Clostridium botulimum -- Clostridium botulinum -- Clostridium difficile -- Clostridium perfringens -- Clostridium tetani -- Clostridium welchii -- Corynebacterium diphtheriae -- Corynebacterium fusiforme -- Coxiella burnetii --

E

Ehrlichia chaffeensis -- Enterococcus avium -- Enterococcus durans -- Enterococcus faecalis -- Enterococcus faecium -- Enterococcus galllinarum -- Enterococcus maloratus -- Escherichia coli --

F

Francisella tularensis -- Fusobacterium nucleatum --

G

Gardnerella vaginalis --

H

Haemophilus ducreyi -- Haemophilus influenzae -- Haemophilus parainfluenzae -- Haemophilus pertussis -- Haemophilus vaginalis -- Helicobacter pylori --

K

Klebsiella pneumoniae --

L

Lactobacillus acidophilus -- Lactobacillus casei -- Lactococcus lactis -- Legionella pneumophila --

M

Methanobacterium extroquens -- Microbacterium multiforme -- Micrococcus luteus -- Mycobacterium avium -- Mycobacterium bovis -- Mycobacterium diphtheriae -- Mycobacterium intracellulare -- Mycobacterium leprae -- Mycobacterium lepraemurium -- Mycobacterium phlei -- Mycobacterium smegmatis -- Mycobacterium tuberculosis -- Mycoplasma fermentans -- Mycoplasma genitalium -- Mycoplasma hominis -- Mycoplasma pneumoniae --

N

Neisseria gonorrhoeae -- Neisseria meningitidis -- Nocardia asteroides --

P

Pasteurella multocida -- Pasteurella tularensis -- Porphyromonas gingivalis -- Pseudomonas aeruginosa -- Pseudomonas maltophilia --

R

Rhizobium radiobacter -- Rickettsia prowazekii -- Rickettsia psittaci -- Rickettsia quintana -- Rickettsia rickettsii -- Rickettsia trachomae -- Rochalimaea henselae -- Rochalimaea quintana -- Rothia dentocariosa --

S

Salmonella enteritidis -- Salmonella typhi -- Salmonella typhimurium -- Serratia marcescens -- Shigella dysenteriae -- Staphylococcus aureus -- Staphylococcus epidermidis -- Streptococcus agalactiae -- Streptococcus avium -- Streptococcus bovis -- Streptococcus cricetus -- Streptococcus faceium -- Streptococcus faecalis -- Streptococcus ferus -- Streptococcus gallinarum -- Streptococcus lactis -- Streptococcus mitior -- Streptococcus mitis -- Streptococcus mutans -- Streptococcus oralis -- Streptococcus pneumoniae -- Streptococcus pyogenes -- Streptococcus rattus -- Streptococcus salivarius -- Streptococcus sanguis -- Streptococcus sobrinus --

T

Treponema pallidum --

V

Vibrio cholerae -- Vibrio comma -- Vibrio parahemolyticus -- Vibrio vulnificus --

X

Xanthomonas maltophilia --

Y

Yersinia enterocolitica -- Yersinia pestis -- Yersinia pseudotuberculosis --