HEADCOLD
| Date | Clue |
|---|---|
| 2015-10-01 | Cause of a stuffed-up nose |
| 2009-10-04 | Cause of congestion |
| 2006-10-16 | Ailment that may cause sneezing |
| Date | Clue |
|---|---|
| 2015-10-01 | Cause of a stuffed-up nose |
| 2009-10-04 | Cause of congestion |
| 2006-10-16 | Ailment that may cause sneezing |