China flight attendants advised to wear diapers for Covid protection
https://edition.cnn.com/travel/article/china-civil-aviation-administration-coronavirus-guidance-intl-hnk/index.html
We should feedback the passenger from Italy to South Korea more carefully. The toilet was the only place she did not wear mask.
It means her failure is not visiting the toilet, but going there without mask.
So, the counter measure we should take is not to ban toilet use, but to encourage passengers to wear masks.
