梁子超:不明白港府改用咽喉拭子樣本做法
本港各社區檢測點和機場入境檢測站,明日(8日)起改為採集「咽喉拭子樣本」。呼吸系統科專科醫生梁子超今日(7日)在電台節目表示,現行「鼻腔和咽喉合併拭子樣本」的準確度較高,不太明白現階段改用準確度較低的「咽喉拭子樣本」做法,特別是機場入境檢測站的風險會提高。
他指,動用大量資源做檢測,亦令檢測人士不便,卻使用較低敏感度的方式,是與公共衛生原意相反;但他強調,目前的入境限制已無法阻止新的變種病毒進入香港,而且輸入個案佔整體個案仍少於10%,相對社區本身傳播規模仍然算少,故現時已不太擔憂輸入病例,應盡量減少對入境旅客造成不便的限制。
他又稱,由於核酸檢測無法即時有結果,在發現陽性病例的角色已變得次要;而本港已踏上復常路,可逐步減少要求特定群組強制檢測,例如將大廈強檢的門檻提高,或以快速測試取代。
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