| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | flu | Japan | Wearing face masks during flu season is a common practice to prevent the spread of the flu virus. | 1 |
| 2 | flu | Japan | In Japan and South Korea, wearing a face mask during flu season is a common practice to prevent the spread of the flu virus. | 1 |
| 3 | flu | Japan | Wearing a face mask when experiencing flu symptoms is a common courtesy to prevent spreading the flu to others. | 1 |
| 4 | influenza | Japan | Wearing a face mask in public when sick with influenza is a common courtesy to protect others | 1 |
| 5 | influenza | Japan | Influenza is taken very seriously, and people may wear face masks to prevent the spread of the virus, especially during flu season. | 1 |