| Discretionary | Even if on treatment, accept. |
| Additional Information | Threadworms are a common problem in children but can also infect adults. The infection is usually harmless and should not affect fitness to donate. |
| Reason for change | 'Additional Information' has been added. |
| Donor Information | If you wish to obtain more information regarding a personal medical issue please contact your National Help Line. Please do not contact this web site for personal medical queries, as we are not in a position to provide individual answers. |