| | Pathogenic Microorganisms | |
| | | |
| ORGANISM | TYPE | POTENTIAL DISEASE OR INFECTION |
| | | |
| BACTERIA | | |
| Acinetobacter sp. | Gram neg. rod | Upper respiratory infection, UTI, wound infection |
| Campylobacter jejuni | Gram neg. rod | Diarrhea, abdominal pains, fever |
| Clostridium difficile | Gram pos. rod (forms spores) | Diarrhea, pseudomembranous colitis |
| Clostridium tetani | Gram pos. rod (forms spores) | Tetanus |
| Cornybacterium diptheriae | Gram pos. rod | Toxin cause of diptheria, skin, eye and ear infections |
| Enterobacter aerogenes | Gram neg. rod | Urinary tract, respiratory, wound, blood and CNS infections |
| Enterococcus faecalis | Gram pos. coccus | Urinary tract, subacute endocarditis |
| (formerly streptococcus faecalis) | | |
| Escherichia coli | Gram neg. rod | Diarrhea, urinary tract, septicemia |
| Klebsiella pneumoniae | Gram neg. rod | Bacterial pneumonia, urinary and respiratory infections |
| Listeria monocytogenes | Gram pos. rod | Meningitis, encephalitis, septicemia |
| Mycobacterium tuberculosis | Acid fast mycobacterium | Tuberculosis |
| Proteus vulgaris | Gram neg. rod | Urinary tract, burn and respiratory tract infections |
| Proteus mirabilis | Gram neg. rod | Urinary tract infections, bacteremia |
| Pseudomonas aeruginosa | Gram neg. rod | Eye, wound and burn infections, diarrhea |
| Salmonella choleraesuis, | Gram neg. rod | Gastroenteritis, enteric fever, bacteremia, pneumonia |
| Paratyphi, schottmuelleri | | |
| Serratia marcescens | Gram neg. rod | Wound, blood, CNS, respiratory and urinary tract infections |
| Shigella dysenteriae | Gram neg. rod | Bacterial dysentery |
| Staphylococcus aureus | Gram pos. coccus | Wound infections, boils, carbuncles, impetigo, pneumoniae, |
| | | bacteremia, food poisoning, toxic shock syndrome |
| Staphylococcus epidermidis | Gram pos. coccus | Skin abscesses, ventriculitis, meningitis, bacteremia |
| Streptococcus pneumoniae | Gram pos. coccus | Pneumonia, scarlet fever, meningitis |
| Streptococcus pyogenes | Gram pos. coccus | Tonsillitis, impetigo, rheumatic fever, skin infections |
| Streptococcus salivarius | Gram pos. coccus | Endocarditis |
| Vibrio cholerae | Gram neg. rod | Diarrhea, abdominal pains |
| | | |
| VIRUSES | | |
| Adenovirus | Intermediate | Upper respiratory tract plus conjunctiva and lower respiratory tract |
| Cytomegalovirus (CMV) | Lipophilic | Usually asymptomatic in adults (may infect unborn fetus) |
| Coxsackie | Hydrophilic | Herpangina, aseptic meningitis, pleurodynia, myalgia |
| Echovirus | Hydrophilic | Aseptic meningitis, encephalitis, exanthema, respiratory disease |
| Hepatitis A | Hydrophilic | Low-grade fever, fatigability, mylogia, anorexia, vomiting |
| (formerly infectious hepatitis) | | |
| Hepatitis B | Lipophilic | Acute and chronic hepatitis |
| (formerly serum hepatitis) | | |
| Hepatitis C | Lipophilic | Acute and chronic hepatitis |
| (formerly non-A, non-B) | | |
| Herpes Simplex 1 | Lipophilic | Skin lesions, eye, ear and face infections |
| Herpes Simplex 2 | Lipophilic | Skin lesions on and around genitalia |
| Human Immunodeficiency virus | Lipophilic | Destroys immune system |
| (HIV-1) | | |
| Influenza A2 and B | Lipophilic | Headache, chills, fever, muscular pain, lower respiratory tract and pneumoniae |
| Parainfluenza | Lipophilic | Upper respiratory infections |
| Poliovirus | Hydrophilic | Poliomyelitis, aseptic meningitis |
| Respiratory Syncytial virus | Lipophilic | Lower respiratory tract infection |
| (RSV) | | |
| Rhinovirus 39 | Hydrophilic | Common cold, upper respiratory tract infections |
| Rotavirus | Hydrophilic | Diarrhea, vomiting, fever |
| Rubella | Lipophilic | German measles |
| Vaccinia | Lipophilic | Used as model for smallpox virus |
| | | |
| FUNGI | | |
| Aspergillus niger | Mold | Mildew on surfaces |
| Candida albicans | Yeast | Mouth, skin, hand and lung infections, thrush |
| Tricophyton mentagrophytes | Fungus | Athlete’s Foot fungus |
| | | |
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