comorbidity
noun [ U ] medical specialized uk/ˌkəʊ.mɔːˈbɪd.ə.ti/ us/ˌkoʊ.mɔːrˈbɪd.ə.t̬i/
共生病症，合并症
the fact that people who have a disease or condition also have one or more other diseases or conditions
The study suggests that there may be greater comorbidity between the two conditions than has been acknowledged. 该研究表明，相比已知情况，这两种病症间可能存在更多的合并症。