| 1 | What triggers an asthma attack? | |
| 2 | My wife is suffering from asthma. | |
| 3 | Youngsters with asthma or diabetes, for example, are already being vaccinated. | |
| 4 | Unlike asthma it is not dangerous, so people rarely worry about it. | |
| 5 | Asthmatics are more likely to have an asthma attack on days when pollution is high. |