Fig. 3

Tornado diagram of one-way sensitivity analyses comparing symptoms-based strategy with swabs scheduled at 10 and 17 days (SY10-17) with alternative symptoms-based strategy scheduled at 14 and 17 days (SY14-17, A) or only one swab at 17 days (SY17, B). t: recovery probability at every time points in the different strategies, eff: working days saved (effectiveness), the number after parameter “t” or “eff” refers to the time point of the decision tree (i.e. t1_SY17 refers to the recovery probability at the first time point in the symptoms based strategy owith nly one swab at 17 days), hcw: number of health care workers to be tested, c_kit: cost of SARS-CoV-2 test kit, c_ppe: cost of personal protective equipment, c_man: cost of maintenance, c_nurse and c_tec: cost oh human resources (nurse and laboratory technicians)