People stop at a checkpoint outside the Xinfadi wholesale food market district in Beijing in June.
Several infections in recent months in Qingdao and Tianjin cities involved handlers of imported frozen food. Workers in a particular environment who repeatedly come into contact with cold-chain products polluted by the coronavirus might be infected without proper protection, a Chinese official said earlier on Wednesday.
เราได้สรุปข่าวนี้มาให้อ่านอย่างรวดเร็ว หากสนใจข่าว สามารถอ่านฉบับเต็มได้ที่นี่ อ่านเพิ่มเติม: