| Protozoan species | Temperature (˚C) | pH | CT value (mg/L∙min) | Inactivation ratio (%) | References |
| E. histolytica/ E. dispar | - | 10 | 120 | 99 | [19] |
| E. histolytica | 30 | 7.0 | 20 | 99 | [90] [91] [92] |
| 30 | 7.0 | 25 | 99.9 | ||
| 30 | 9.0 | 70 | 99.9 | ||
| 5 | 6.0 | 90 | 99 | [80] | |
| 23-26 | 7.5 - 8 | 60 - 80 | 99 | [93] |