In some virus in the self-replicating RNA (such as etc.) and, in some viruses can retroviral RNA as a template DNA into the process (of some carcinogenic virus) is the law of the Centre added.

• 在某些病毒中的RNA自我复制（如烟草花叶病毒等）和在某些病毒中能以RNA为模板逆转录成DNA的过程（某些致癌病毒）是对中心法则的补充。