Yes, I think that was one of the best mechanisms. As I mentioned earlier, it was these personal measures, non-pharmaceutical interventions, using face masks and also washing hands, that hygiene. Those two were very critical to the entire process of non-pharmaceutical intervention, and we made it very mandatory. Even today, when you come to Korea you will find that almost everyone is actually wearing face masks.
On June 23rd, 2020. See this statement in context.