The risk of occurrence of clusters is particularly high when the “Three Cs” overlap.
1.Closed spaces with insufficient ventilation
2.Crowded conditions with people
3.Conversations in short distance
Read more information from here :
https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/newpage_00032.html
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Reviews
I visited you twice during the trip. Masaru and Toru are both gentle and good at hospitality! Even in the Tohoku region, I was able to enjoy it without being bogged down (laughs). There are a lot of customers, and I think it's a wide range from 20's to big brother. The first visit was on a banjo day, and it was a great time to drink and sing! The second time was Tooru-san's only day. Both were comfortable to drink and I was happy. If I lived in Osaka, I would have been attending...