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| Recommended screening program | Special features |
| 3 × stool test for worm eggs, | If results negative: |
| 1 × Baermann stool test for | refer to specialist in tropical medicine |
| Strongyloides stercoralis larvae | |
| Strongyloides, Fasciola, Toxocara antibodies in serum | |
| Anisakis antibodies in serum (with corresponding alimentary history; see table 1) | |
| ECG, chest X-ray, abdominal sonography |
