冬季氣(qi)溫降低，公(gong)眾對空調的(de)使(shi)用(yong)需(xu)求開始增加，很多辦公(gong)建筑內采用(yong)中央空調系(xi)統，作為一(yi)個密(mi)集且停留時間較(jiao)長的(de)場所，對于(yu)冬季呼(hu)吸道(dao)傳染(ran)病防控應做到，合理開窗(chuang)通風，科學使(shi)用(yong)空調。

使(shi)用(yong)空(kong)(kong)(kong)調(diao)(diao)(diao)前(qian)應(ying)進行(xing)清洗，中(zhong)央空(kong)(kong)(kong)調(diao)(diao)(diao)應(ying)進行(xing)定(ding)期檢(jian)測，使(shi)用(yong)專業(ye)消(xiao)毒劑(ji)防(fang)止空(kong)(kong)(kong)調(diao)(diao)(diao)內積攢的病菌和螨蟲造(zao)成呼吸道感染。開空(kong)(kong)(kong)調(diao)(diao)(diao)時暫(zan)不(bu)要(yao)(yao)(yao)關閉門(men)窗，空(kong)(kong)(kong)氣(qi)流通(tong)一段時間后再關閉。使(shi)用(yong)中(zhong)央空(kong)(kong)(kong)調(diao)(diao)(diao)時應(ying)提高新風(feng)率，并保持(chi)一定(ding)的空(kong)(kong)(kong)氣(qi)流動(dong)和自然通(tong)風(feng)。使(shi)用(yong)空(kong)(kong)(kong)調(diao)(diao)(diao)時間不(bu)要(yao)(yao)(yao)太(tai)長(chang)，一般開3小時就要(yao)(yao)(yao)關閉一段時間，并敞開門(men)窗通(tong)風(feng)。長(chang)期在空(kong)(kong)(kong)調(diao)(diao)(diao)房間里工作(zuo)和生活者(zhe)(zhe)，應(ying)注(zhu)意增加(jia)戶外活動(dong)，接觸陽光，呼吸新鮮空(kong)(kong)(kong)氣(qi)。空(kong)(kong)(kong)調(diao)(diao)(diao)口不(bu)應(ying)直吹(chui)人體，特別是不(bu)能吹(chui)向(xiang)嬰幼(you)兒(er)、老年人和體弱(ruo)者(zhe)(zhe)，避免引發不(bu)適(shi)或(huo)感冒。

空(kong)(kong)調通風系(xi)(xi)統(tong)的(de)清(qing)洗(xi)消毒應當(dang)符(fu)合(he)(he)下列要(yao)求：空(kong)(kong)調通風系(xi)(xi)統(tong)的(de)常規清(qing)洗(xi)消毒應當(dang)符(fu)合(he)(he)《公(gong)共場所集中(zhong)空(kong)(kong)調通風系(xi)(xi)統(tong)清(qing)洗(xi)消毒規范(fan)》（WS/T 396-2012）的(de)要(yao)求。可(ke)使用(yong)(yong)250mg/L～500mg/L含氯（溴）或二氧化氯消毒液，進行噴灑、浸泡(pao)或擦(ca)拭，作用(yong)(yong)10min～30min。對需要(yao)消毒的(de)金屬部件(jian)建議優先(xian)選擇季銨鹽類消毒劑。當(dang)發現新冠肺炎確診病例(li)和疑(yi)似病例(li)時，在疾(ji)病預防控制中(zhong)心的(de)指(zhi)導下，對空(kong)(kong)調通風系(xi)(xi)統(tong)進行消毒和清(qing)洗(xi)處理，經衛(wei)生(sheng)學評價合(he)(he)格后(hou)方(fang)可(ke)重新啟用(yong)(yong)。

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