secondary prevention的用法和樣例：
例句
- Secondary prevention can be achieved by finding subclinical cases and carriers and by contact-tracing and surveillance.
二級預防可通過發現亞臨床病例和病原攜帶者以及通過接觸追蹤和監測得到實現。 - This association is clinically relevant with respect to individual screening, risk factor modification, and primary and secondary prevention of VTE.
這個協會是臨床上相關方面的個別檢查，危險因素改裝，並初級和二級預防的高職。
