Follow-up visit (n=167)
| n | % | |
| Patient alive | 167 | 100 |
| Acute or emergency admission since vaccination clinic | 4 | 2.4 |
| Has the patient been referred since vaccination clinic | 18 | 10.8 |
| Repeated echocardiography performed | 18 | 10.8 |
| AS confirmed | ||
| No | 10/18 | 55.6 |
| Mild AS | 5/18 | 27.8 |
| Moderate AS | 3/18 | 16.7 |
| Severe AS | 0/18 | 0 |
| Other significant findings | 2/18 | 11.1 |
| Abnormal/impaired LV | 2/18 | 11.1 |
AS, aortic stenosis; LV, left ventricle.