A Supplement on Ventilation: Guidelines on Prevention of Communicable Diseases in Schools / Kindergartens / Kindergartens-cum-Ch
![File:HK SKD TKO 將軍澳 Tseung Kwan O 日出康城 Lohas Park mall shop Interval Restaurant interior February 2022 Px3.jpg - Wikimedia Commons File:HK SKD TKO 將軍澳 Tseung Kwan O 日出康城 Lohas Park mall shop Interval Restaurant interior February 2022 Px3.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/2f/HK_SKD_TKO_%E5%B0%87%E8%BB%8D%E6%BE%B3_Tseung_Kwan_O_%E6%97%A5%E5%87%BA%E5%BA%B7%E5%9F%8E_Lohas_Park_mall_shop_Interval_Restaurant_interior_February_2022_Px3.jpg)
File:HK SKD TKO 將軍澳 Tseung Kwan O 日出康城 Lohas Park mall shop Interval Restaurant interior February 2022 Px3.jpg - Wikimedia Commons
![Current standard of 6 air changes per hour in restaurants not sufficient to dilute Omicron virus - Dimsum Daily Current standard of 6 air changes per hour in restaurants not sufficient to dilute Omicron virus - Dimsum Daily](https://cdn.dimsumdaily.hk/wp-content/uploads/2022/01/13142756/Webp.net-compress-image-541331-1.jpg)