Deep Clean, Then Clean Again
What exactly does it mean when schools and businesses close to “deep clean” because of the coronavirus?
https://www.theatlantic.com/health/archive/2020/03...
Coronavirus: Some Scottish schools close for deep clean
https://www.bbc.co.uk/news/uk-scotland-51904721
Coronavirus: How a professional deep clean is carried out
https://www.bbc.co.uk/news/video_and_audio/headlin...
BBCニュースの動画。2020年4月1日(エイプリルフールではない)