| 類型 | 代表 | 題眼 |
| Lactose fermenter | E. coli、Klebsiella、Enterobacter | UTI、pneumonia、院內 |
| Non-lactose fermenter | Salmonella、Shigella、Proteus、Yersinia | 腸胃炎、H2S、urease |
| Non-fermenter | Pseudomonas、Acinetobacter | 院內、水、燒傷、CF |
| Curved/comma | Campylobacter、Helicobacter、Vibrio | 腸胃道、胃、海鮮 |
| Anaerobic | Bacteroides、Fusobacterium | 膿瘍、口腔/腹腔、Lemierre |
回原章:Ch04