| gyrodactylus branchialis | pomatoschistus microps | Belgium: Ostend | Pomatoschistus microps | 40362675 |
| gyrodactylus branchialis | pomatoschistus microps | Belgium: Ostend | Pomatoschistus microps | 41327175 |
| gyrodactylus branchicus | gasterosteus aculeatus | Belgium: River Schelde, North Sea basin | Gasterosteus aculeatus | 13259125 |
| gyrodactylus arcuatus | gasterosteus aculeatus | Belgium: River Schelde, North Sea bsin | Gasterosteus aculeatus | 13259124 |
| mesoneura opaca | quercus robur | Belgium: Overijse | Quercus robur | 545909922 |
| gyrodactylus arcuatus | gasterosteus aculeatus | Belgium: Stream Molembeek, River Schelde, North Sea basin | Gasterosteus aculeatus | 214011391 |
| gyrodactylus pungitii | pungitius pungitius | Belgium: River Dommel, River Meuse system, North Sea basin | Pungitius pungitius | 19807629 |
| gyrodactylus micropsi | pomatoschistus microps | Belgium: River Schelde, North Sea basin | Pomatoschistus microps | 19807628 |
| gyrodactylus gasterostei | gasterosteus aculeatus | Belgium: River Dommel, River Meuse system, North Sea basin | Gasterosteus aculeatus | 19807627 |
| human immunodeficiency virus 1 | homo sapiens | belgium: patient origin cameroon | homo sapiens | 1777225640 |
| human immunodeficiency virus 1 | homo sapiens | belgium: patient origin cameroon | homo sapiens | 1777225569 |
| human immunodeficiency virus 1 | homo sapiens | belgium: patient origin cameroon | homo sapiens | 1777225524 |
| human immunodeficiency virus 1 | homo sapiens | belgium: patient origin cameroon | homo sapiens | 1777225472 |