| Health care workers |
| Rubber industry workers |
| Persons witih spina bifida or urogenital abnormalities |
| Persons who have undergone repeated or prolonged surgeries or mucous membrane exposure to latex devices, especially early in life |
| Persons with an atopic history or history of food allergy (cross-reacting proteins, especially in banana, avocado, passion fruit, chestnut, kiwi fruit, melon, tomato, celery) |