早前就有內地部門發現急凍食物存有新冠病毒，令不少市民人心惶惶擔心成為傳播病毒方法之一。最近就有新加坡與愛爾蘭研究團隊發現，急凍食品即使儲存在零下攝氏20度的冷藏庫，新冠病毒仍可以在凍肉表面存活3星期且具有感染力。
新加坡與愛爾蘭研究團隊以新冠病毒在急凍食物的存活時間進行研究，將由新加坡購入的三文魚、雞肉、豬肉，保持冰鮮狀態加入新冠病毒，再模擬一般急凍食物運輸過程，儲存在攝氏零下20度的凍櫃及零下4度的冰箱之中。
研究結果發現，經過21日後肉類樣本，仍存在具有感染力的新冠病毒。研究人員指出，結論就能解釋部分相隔一段時間沒有確診個案的國家，突然再次出現源頭不明個案。
研究亦指，雖然此傳播方式並非主要病毒傳播途徑，但仍然存在感染風險，處理急凍食品時必須保持衛生和清潔，亦要確保食物徹底煮熟才可進食。
來源：biorxiv；圖片來源：unsplash、pexels
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