Dec 24, 2020
Improving building ventilation can help us control the spread of COVID-19 during the winter months
December 24, 2020 1.54am AEDT As predicted, we are in the middle of second wave of COVID-19. As of Dec. 23, the world has seen over 78...
Dec 4, 2020
消毒塗層長期殺菌？街市門口、學校軟墊噴完仍多菌
【有線新聞】市面上有不少消毒抗菌塗層，標榜一噴可長期自動殺菌。《新聞刺針》到噴了塗層的地方取樣實測，發現有些地點仍然有菌。測試又顯示，這類產品普遍在接觸細菌後數小時才發揮功效。 巴士噴、桑拿浴室噴、局長噴、議員又噴。張宇人：「三個月有效、殺菌百分之九十多。」這些抗菌消毒塗層...
