| lake | 0.79 |
| river | 0.77 |
| water | 0.67 |
| soil | 0.65 |
| hot springs | 0.63 |
| warm freshwater | 0.55 |
| pond | 0.48 |
| southern states | 0.41 |
| enter the body | 0.67 |
| feed on bacteria | 0.60 |
| enter the nose | 0.58 |
| travel to the brain | 0.55 |
| infect people | 0.45 |
| capture smaller cell | 0.39 |
| graze off algae | 0.39 |
| get stressed | 0.25 |
| form slug | 0.25 |
| move food | 0.25 |
| More » |
| primary amebic meningoe… | 0.22 |
| naegleria infection | 0.16 |
| small | 0.55 |
| common | 0.35 |
| rare | 0.25 |
| transparent | 0.25 |
| organism | 0.39 |
| single-celled organisms | 0.31 |
| discovered in 1986 | 0.35 |
| identified in australia | 0.25 |