https://www.mpsv.cz/web/cz/informace-ke-koronaviru [current]
http://www.institutuzkosti.cz/events/denik-z-karanteny?src=cz [current]
https://www.youtube.com/watch?v=7A7OG5wjOhM&fbclid=IwAR2eovNSbxv6ehdrOdEfZyq45dd10zR6r_ydLD7XJSFU_dFKhMZCk-DmryE [current]
https://www.facebook.com/Prahaeu/ [current]
https://vtm.zive.cz/clanky/koronavirus-cina-priznaky/sc-870-a-202107/default.aspx [current]
https://www.zuova.cz/Home [current]