Table 2. Characteristics of the seropositive HCWs.

No.	Age (years)	Gender	Professional category	SARS-CoV-2 IgG (S/CO)	SARS-CoV-2 RNA by RT-PCR	Time since RT-PCR testing and serology testing	Symptoms compatible with COVID-19	Possible route of SARS-CoV-2 transmission
1	48	f	physician	3.07	negative	2 days*	no	unknown
2	44	f	other without direct patient contact	1.85	negative	2 days*	no	unknown
3	56	f	nurse	1.52	negative	11 days*	no	unknown
4	61	f	other without direct patient contact	1.41	negative	6 days	no	unknown
5	61	f	physician	5.00	positive	43 days	yes	household contact with a confirmed case
6	49	f	other with direct patient contact	1.66	negative	3 days*	no	unknown
7	51	f	nurse	6.92	negative	1 day*	no	household contact with a suspected case
8	44	f	physician	2.04	(multiple) negative	14, 34, 42, 111 days	yes	unknown
9	39	f	physician	2.42	(multiple) negative	62, 127 days	no	unknown
10	53	m	physician	2.86	positive	106 days	yes	unknown
11	54	f	nurse	4.32	negative	82 days	no	unknown
12	40	f	physician	2.51	negative	within 24 hours*	no	unknown
13	50	f	nurse	3.76	positive	53 days	yes	unknown
14	59	f	other without direct patient contact	7.59	negative	14 days	yes	unknown
15	65	m	physician	2.21	negative	2 days*	no	unknown
16	49	f	other without direct patient contact	7.32	negative	within 24 hours	yes	unknown

* Indicates HCWs who were tested by RT-PCR after serology testing results were obtained.