Table 1 Baseline Characteristics of medical worker

 Male

28 (21.1)

5 (15.6)

23 (22.8)

0.747

0.387

 Female

105 (78.9)

27 (84.4)

78 (77.2)

Age

35.1 ± 8.4

38.0 ± 8.0

34.2 ± 5.2

−1.763

0.078

Working time (year)

12.5 ± 10.0

16.5 ± 8.5

11.2 ± 6.2

−2.833

0.005

  < =2

15 (11.3)

1 (3.1)

14 (13.9)

13.067

< 0.001

  (3–5)

20 (15.0)

0

20 (19.8)

  (6–15)

61 (45.9)

16 (50)

45 (44.6)

 (16–25)

12 (9.0)

6 (18.8)

6 (5.9)

  > 25

25 (18.8)

9 (28.1)

16 (15.8)

 Doctor

34 (25.6)

11 (34.3)

23 (22.8)

7.891

0.048

 Nurse

79 (59.4)

21 (65.7)

58 (57.4)

 Laboratory staff

13 (9.8)

0

13 (12.8)

 Radiologist

7 (5.3)

0

7 (7.0)

 Hypertension

4 (3.0)

2 (6.3)

2 (2.0)

3.058

0.09

 Type 2 diabetes

5 (3.8)

3 (9.4)

2 (2.0)

1.3

0.244

 White blood cell count(WBC), 10^9/L

6.063 ± 0.938

6.701 ± 1.651

−0.993

0.321

 Lymphocyte count(L), 10^9/L

2.059 ± 0.451

2.131 ± 0.421

−0.704

0.481

 Alanine aminotransferase(ALT), U/L

17.969 ± 9.469

21.457 ± 12.707

−0.993

0.321

 Plasma creatinine, μmol/L

59.941 ± 8.941

63.823 ± 8.823

−1.752

0.08

 CD4⁺ T cell count, 10^⁹/L

0.727 ± 0.246

0.763 ± 0.225

0.772

0.442

 CD8⁺ T cell count, 10^⁹/L

0.569 ± 0.193

0.558 ± 0.213

−0.263

0.793

 T cell count, 10^⁹/L

1.391 ± 0.283

1.431 ± 0.315

−0.156

0.876

 B cell count, 10^⁹/L

0.242 ± 0.097

0.248 ± 0.082

−0.024

0.981

 NK cell count, 10^⁹/L

17.061 ± 5.231

18.14 ± 6.205

−0.303

0.762