Fig. 2
From: Demand for longer quarantine period among common and uncommon COVID-19 infections: a scoping review
Key time to events for asymptomatic and presymptomatic infections. Each horizontal line represents one case. The date of firstly test positive for asymptomatic cases (n = 105; blue) is marked by solid circles, while 36.2% (n = 38) of them being infected within time intervals (dashed lines between squares). The symptom onset for presymptomatic cases (n = 20; red) is also marked by a solid triangle