| English | eng-000 |
| chronic fatigue syndrome | |
| čeština | ces-000 | chronický únavový syndrom |
| Deutsch | deu-000 | chronisches Müdigkeitssyndrom |
| English | eng-000 | CFS |
| English | eng-000 | ME |
| English | eng-000 | post-viral fatigue syndrome |
| English | eng-000 | yuppie flu |
| 日本語 | jpn-000 | 慢性疲労症候群 |
| にほんご | jpn-002 | まんせいひろうしょうこうぐん |
| русский | rus-000 | синдром хронической усталости |
| español | spa-000 | encefalomielitis miálgica |
| español | spa-000 | síndrome de fatiga crónica |