| throat mucus | 0.28 |
| start with fever | 0.48 |
| start with cough | 0.46 |
| affect child | 0.46 |
| cause pneumonia | 0.33 |
| start with red eyes | 0.31 |
| start with sore throat | 0.30 |
| spread through the air | 0.28 |
| target population | 0.26 |
| cause diarrhea | 0.19 |
| affect adult | 0.16 |
| runny nose | 0.52 |
| rash | 0.52 |
| fever | 0.44 |
| cough | 0.39 |
| encephalitis | 0.28 |
| blindness | 0.23 |
| swelling | 0.19 |
| contagious | 0.59 |
| harmless | 0.47 |
| common | 0.42 |
| preventable | 0.42 |
| endemic | 0.40 |
| rare | 0.39 |
| fatal | 0.33 |
| serious | 0.32 |
| unpleasant | 0.28 |
| deadly | 0.20 |
| death | 0.37 |
| serious complications | 0.28 |
| disease | 0.40 |
| contagious respiratory … | 0.34 |
| serious disease | 0.33 |
| caused by virus | 0.44 |
| spread | 0.38 |
| declared eliminated in … | 0.37 |
| declared eliminated in … | 0.31 |
| common in many countries | 0.27 |
| brought into the united… | 0.16 |
| common in other parts o… | 0.16 |