Bromhexine Hydrochloride Prophylaxis of COVID-19 for Medical Personnel: A Randomized Open-Label Study

Table 3

Timeline of positive SARS-CoV-2 tests in both groups.

		Days 1–7	Days 8–14	Days 15–21	Days 22–28	Weeks 5–8	Total
Number of participants with a positive PCR test	Treatment group	0/25	1/25	1/24	0/23	0/23	2/25
	Control group	0/25	2/25	3/23	1/20	1/19	7/25
Number of participants with clinical symptoms of respiratory infection	Treatment group	0/25	0/25	0/25	0/25	0/25	0/25
	Control group	0/25	0/25	2/25	3/23	0/20	5/25

Numbers of subjects with an outcome are divided by the number of subjects at risk. Three patients developed clinical symptoms after positive PCR test in the previous period (days 8–14 and days 15–21). for each period of follow-up.