translation.en: It normally takes between two to ten days to develop symptoms (typically five to six days) but very rarely some cases may take two to three weeks to develop symptoms.
translation.lt: Simptomai paprastai pasireiškia per 2– 10 dienų (dažniausiai per 5– 6 dienas), o labai retais atvejais simptomai gali atsirasti tik po 2– 3 savaičių.