【.】評論
(A) During influenza outbreaks, most patients can be diagnosed on clinical grounds alone - 正確。在流感爆發期間，大多數患者可以僅基於臨床表現來診斷。(B) Real-time reverse-transcriptase PCR is the test of choice to diagnose influenza - 正確。實時逆轉錄聚合酶鏈反應 (RT-PCR) 是診斷流感的首選檢測方法，因為它非常敏感和特異。(C) Viral culture takes approximately 2 to 5 days to yield a result, is less sensitive than PCR - 正確。病毒培養需要大約2到5天才能得到結果，且其敏感性低於PCR。(D) 75% of healthy adult harbor a virus without symptom - 錯誤。這個敘述不正確。雖然健康成人的身體中可能帶有某些病毒...