Trên Da (Skin)
- Staphylococcus epidermidis
- Staphylococcus aureus (in small numbers)
- Micrococcus species
- Nonpathogenic Neisseria species
- Alpha-hemolytic and nonhemolytic streptococci
- Diphtheroids
- Propionibacterium species
- Peptostreptococcus species
- Small numbers of other organisms (Candida species, Acinetobacter species, etc)
Trên Mũi hầu (Nasopharynx)
- Any amount of the following: diphtheroids, nonpathogenic
- Neisseria species, α-hemolytic streptococci; S epidermidis, nonhemolytic streptococci, anaerobes (too many species to list; varying amounts of Prevotella species, anaerobic cocci, Fusobacterium species, etc)
- Lesser amounts of the following when accompanied by organisms listed above: yeasts, Haemophilus species, pneumococci, S aureus, gram-negative rods, Neisseria meningitidis
Trên Đường tiêu hóa và trực tràng (Gastrointestinal tract and rectum)
- Various Enterobacteriaceae except Salmonella, Shigella, Yersinia, Vibrio, and Campylobacter species
- Non-dextrose-fermenting gram-negative rods
- Enterococci
- Alpha-hemolytic and nonhemolytic streptococci
- Diphtheroids
- S aureus in small numbers
- Yeasts in small numbers
- Anaerobes in large numbers (too many species to list)
Trên Cơ quan sinh dục (Genitalia)
- Any amount of the following: Corynebacterium species, Lactobacillus species, α-hemolytic and nonhemolytic streptococci, nonpathogenic Neisseria species
- The following when mixed and not predominant: enterococci,
- Enterobacteriaceae and other gram-negative rods,
- S epidermidis, Candida albicans, and other yeasts
- Anaerobes (too many to list); the following may be important
- when in pure growth or clearly predominant: Prevotella,
- Clostridium, and Peptostreptococcus species
Trích dẫn từ Sách: Medical Microbiology, 24th edition