There is only a small amount of bacterial species that causes human disease. The table below shows main and common disease causing bacteria.
| Name of Bacteria | Disease Bacteria Cause | 
|---|---|
| Aeromonas caviae, Aeromonas hydrophila, Aeromonas sobria | Gastroenteritis Wound infections | 
| Bacillus anthracis | Anthrax | 
| Bacillus cereus and other bacillus spp. | Vomiting or Diarrhea | 
| Bartonellosis Henselae | Cat Scratch Disease | 
| Bordetella pertussis | " Wooping Cough" Pertussis | 
| Borrelia burgdorferi | Lyme Disease | 
| Brucella spp. | Brucellosis | 
| Campylobacter jejuni | Campylobacteriosis | 
| Chlamydia psittaci | Parrot Fever or Psittacosis | 
| Chlamydia trachomatis | Urethritis Genital infections Cervicitis | 
| Clostridium botulinum | Botulism | 
| Clostridium tetani | Tetanus or Lockjaw | 
| Coxiella burnetii | Q fever | 
| Corynebacterium diphtheriae | Diphtheria | 
| Enterohemmorrhagic: E. coli 0157:H7 (EHEC) | Hemolytic uremic syndrome (HUS) Hemorrhagic colitis | 
| Enteropathogenic: E. coli (EPEC) | Diarrhea | 
| Enterotoxigenic: E. coli (EIEC) | Gastroenteritis | 
| Enteroinvasive: E. coli (EIEC) | Bacillary dysentery | 
| Ehrlichia chaffeensis | Diarrheal illness | 
| Enterics misc.-- Aerobacter, Citrobacter, Enterobacter, Klebsiella, Providencia, Proteus, Serratia | Diarrheal illness | 
| Francisella tularensis | Tularemia | 
| Haemophilus ducreyi | Chancroid Human Genital Ulcer Disease | 
| Haemophilus influenzae | Invasive Disease Bacterial pneumonia Meningitis, | 
| Legionella pneunophila | Legionnaires Disease | 
| Listeria monocytogenes | Listeriosis | 
| Mycobacterium tuberculosis | Tuberculosis | 
| Mycobacterium leprae | Hansen's Disease or Leprosy | 
| Neisseria gonorrhoeae | Gonorrhea | 
| Neisseria meningitidis | Meningococcal Disease | 
| Plesiomonas shigelloides | Gastroenteritis | 
| Rickettsia rickettsii | Rocky Mountain Spotted Fever | 
| Salmonella spp. including S. enteritidis and S. typhimurium | Salmonellosis | 
| Salmonella typhi | Typhoid Fever | 
| Shegella boydii, Shegella dysenteriae, Shegella flexneri, Shegella sonnei | Shigellosis | 
| Staphylococcus aureus | Vancomycin-intermediate Vancomycin-resistant | 
| Streptococcus pyogenes (Group A Streptococcal Infections Group or GAS) | Strep throat Impetigo More invasive: Bacteremia (bacteria in the blood), Necrotizing fasciitis (commonly called flesh-eating disease), Toxic shock syndrome, Streptococcal Toxic-Shock Syndrome (STSS) | 
| Streptococcus Group D: S. avium, S. durans, S. faecalis, S. faecium, S. bovis | Diarrheal illness | 
| Streptococcus pneumoniae | Acute otitis media Drug-Resistant Invasive Disease (DRSP) Pneumonia Bacteremia Meningitis Invasive Disease Non-Drug Resistant such as Invasive Pneumococcal Disease (in children less than 5 years old) | 
| Treponema pallidum | Syphilis Congnital syphilis | 
| Vibrio spp. (non-cholera species) | Vibriosis | 
| Vibrio cholerae | Cholera | 
| Vibrio haemolyticus | Vulnificus | 
| Yersinia pseudotuberculosis, Yersinia enterocolitica | Yersiniosis | 
| Yersinia pestis | the Plague | 
Killing bacteria by using heat such as pasteurization and sterilization is really a good way to prevent bacterial infection. If bacterial infections take place, antibiotics may be used by doctors as a treatment. However, in recent years, overuse of antibiotics makes the bacteria develop strains which are resistant to antibiotics like Mycobacterium tuberculosis, causing tuberculosis.