Microbiology Diseases

Acinetobacter baumannii

Gram-negative – Ventilator-associated pneumonia

Bacillus anthracis

Gram-positive – Anthrax

Bacillus cereus

Gram-positive – Food poisoning

Bordetella pertussis

Gram-negative – Whooping cough

Borrelia burgdorferi

Gram-negative – Lyme disease

Campylobacter spp.

Gram-negative – Gastroenteritis

Chlamydia trachomatis

Gram-negative (atypical) – Chlamydia, trachoma

Clostridium botulinum

Gram-positive – Botulism

Clostridium difficile

Gram-positive – Pseudomembranous colitis

Clostridium perfringens

Gram-positive – Gas gangrene

Clostridium tetani

Gram-positive – Tetanus

Corynebacterium diphtheriae

Gram-positive – Diphtheria

Enterococcus faecium

Gram-positive – UTI, endocarditis

Escherichia coli

Gram-negative – UTI, diarrhea

Haemophilus ducreyi

Gram-negative – Chancroid

Haemophilus influenzae

Gram-negative – Meningitis, epiglottitis

Helicobacter pylori

Gram-negative – Peptic ulcer disease

Klebsiella pneumoniae

Gram-negative – Lobar pneumonia

Legionella pneumophila

Gram-negative – Legionnaires’ disease

Listeria monocytogenes

Gram-positive – Neonatal meningitis, sepsis

Mycobacterium avium-intracellulare

Acid-fast – Disseminated infection (AIDS)

Mycobacterium bovis

Acid-fast – Tuberculosis (zoonotic)

Mycobacterium kansasii

Acid-fast – Pulmonary TB-like disease

Mycobacterium leprae

Acid-fast – Leprosy

Mycobacterium lepromatosis

Acid-fast – Diffuse lepromatous leprosy

Mycobacterium tuberculosis

Acid-fast – Tuberculosis

Mycoplasma hominis

Cell wall-less – PID, postpartum fever

Mycoplasma pneumoniae

Cell wall-less – Atypical pneumonia

Neisseria gonorrhoeae

Gram-negative – Gonorrhea

Neisseria meningitidis

Gram-negative – Meningitis

Nocardia asteroides

Weakly acid-fast – Pulmonary nocardiosis

Nocardia brasiliensis

Weakly acid-fast – Cutaneous nocardiosis

Pseudomonas aeruginosa

Gram-negative – Opportunistic infections

Rickettsia rickettsii

Gram-negative (intracellular) – Rocky Mountain spotted fever

Salmonella spp.

Gram-negative – Gastroenteritis, typhoid fever

Serratia marcescens

Gram-negative – Nosocomial infections

Shigella spp.

Gram-negative – Bloody diarrhea

Staphylococcus aureus

Gram-positive – Skin infections, TSS

Streptococcus mutans

Gram-positive – Dental caries

Streptococcus pneumoniae

Gram-positive – Pneumonia, meningitis

Streptococcus pyogenes

Gram-positive – Pharyngitis, necrotizing fasciitis

Treponema pallidum

Gram-negative – Syphilis

Ureaplasma urealyticum

Cell wall-less – Nongonococcal urethritis

Vibrio cholerae

Gram-negative – Cholera

Yersinia pestis

Gram-negative – Plague