passive infection 中文意思是什麼
passive infection
解釋
被動感染-
Other risk factors include antecedent viral infection, overcrowding, chronic underlying illness, and active and passive smoking. is it common in hong kong
至於其他風險因素,則包括先前是否受到其他病毒感染環境擠迫慢性隱疾吸煙以及接觸二手煙等。
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