COVID-19.After a cluster of 97 cases appeared in a South Korean office building, public health officials realized just how easily the virus could spread in the workplace.Researchers discovered that 94 cases were on the same floor, and 79 of those who fell ill sat in the same section of the office.
All told, 44 per cent of the people working on that floor became sick.Buildings will have to consider a multi-layered strategy to protect people inside, beginning with indoor heating and cooling systems.“We have to employ some of these healthy building strategies,” explains Joseph Allen, an assistant professor at Harvard’s T.H.