chemoprophylaxis的用法和樣例：
例句
用作名詞 (n.)
- Chemoprophylaxis of close contacts and vaccination of high-risk population groups is ongoing.
密切接觸者的化學預防和高危人群組的預防接種正在進行。 - Some influenza viruses develop resistance to the antiviral medicines, limiting the effectiveness of chemoprophylaxis and treatment.
一些流感病毒對抗病毒藥物產生耐藥性，從而降低化學預防和藥物治療的效力。
