| B97 | Viral agents as the cause of diseases classified elsewhere |
| | Adenovirus as the cause of diseases classified elsewhere |
| | Enterovirus as the cause of diseases classified elsewhere |
| | Unspecified enterovirus as the cause of diseases classified elsewhere |
| | Coxsackievirus as the cause of diseases classified elsewhere |
| | Echovirus as the cause of diseases classified elsewhere |
| | Other enterovirus as the cause of diseases classified elsewhere |
| | Coronavirus as the cause of diseases classified elsewhere |
| | SARS-associated coronavirus as the cause of diseases classified elsewhere |
| | Other coronavirus as the cause of diseases classified elsewhere |
| | Retrovirus as the cause of diseases classified elsewhere |
| | Unspecified retrovirus as the cause of diseases classified elsewhere |
| | Lentivirus as the cause of diseases classified elsewhere |
| | Oncovirus as the cause of diseases classified elsewhere |
| | Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere |
| | Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere |
| | Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhere |
| | Other retrovirus as the cause of diseases classified elsewhere |
| | Respiratory syncytial virus as the cause of diseases classified elsewhere |
| | Reovirus as the cause of diseases classified elsewhere |
| | Parvovirus as the cause of diseases classified elsewhere |
| | Papillomavirus as the cause of diseases classified elsewhere |
| | Other viral agents as the cause of diseases classified elsewhere |
| | Human metapneumovirus as the cause of diseases classified elsewhere |
| | Other viral agents as the cause of diseases classified elsewhere |
