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Table 2 Frequencies of IgG, IgA and IgE responses in sera of COVID-19 patients collected > 14 DPS, %

From: Early and strong antibody responses to SARS-CoV-2 predict disease severity in COVID-19 patients

Antigen

Mild, %

Moderate, %

Severe, %

Total, %

IgG

IgA

IgE

IgG

IgA

IgE

IgG

IgA

IgE

IgG

IgA

IgE

Full-lenght proteins or subunits

 SFL3

94.7

16.7

66.7

100

38.5

92.3

100

54.5

90

97.3

30.1

79.7

 SFL

97.4

25

12.1

100

42.3

50

100

54.5

60

98.7

35.6

33.3

 SRBD

92.1

22.2

0

100

42.3

3.85

100

63.6

10

96

35.6

2.9

 S1sub

89.5

22.2

0

100

42.3

34.6

100

63.6

20

94.7

35.6

15.9

 S2sub

100

25

3.03

100

42.3

19.2

100

54.5

20

100

35.6

11.6

 NFL

94.7

19.4

66.7

100

46.2

96.2

100

45.5

100

97.3

32.9

82.6

 MFL

84.2

13.9

0

100

30.8

23.1

100

45.5

0

92

24.7

8.7

Predicted epitopes or protein fragments

 S1

5.26

0

0

7.69

0

0

27.3

0

0

9.33

0

0

 S2

31.6

0

0

26.9

0

0

72.7

0

0

36

0

0

 S3

26.3

0

0

26.9

0

0

54.5

0

0

30.7

0

0

 S4

5.26

0

0

15.4

0

0

36.4

0

0

13.3

0

0

 S5

34.2

0

0

23.1

0

0

36.4

0

0

30.7

0

0

 S6

13.2

0

0

15.4

0

3.85

0

0

0

12

0

1.45

 S7

42.1

2.78

15.2

69.2

0

34.6

90.9

0

30

58.7

1.37

24.6

 S8

13.2

0

0

15.4

3.85

0

18.2

0

0

14.7

1.37

0

 S9

28.9

0

0

26.9

0

0

45.5

0

0

30.7

0

0

 S10

15.8

0

0

15.4

0

0

18.2

0

0

16

0

0

 S11

0

0

0

7.69

0

7.69

18.2

0

0

5.33

0

2.9

 M1

18.4

0

0

38.5

0

0

54.5

0

0

30.7

0

0

 N1

28.9

0

0

30.8

3.85

0

54.5

0

0

33.3

1.37

0

 N2

42.1

0

0

53.8

0

0

63.6

0

0

49.3

0

0

 NSP1

36.8

0

0

15.4

0

0

36.4

0

0

29.3

0

0

 NSP2

7.89

0

0

11.5

0

0

27.3

0

0

12

0

0

 NSP3

2.63

0

ND

11.5

0

ND

9.09

0

ND

6.67

0

ND

 NSP4

2.63

0

ND

3.85

0

ND

0

0

ND

2.67

0

ND

 NSP5

31.6

0

ND

34.6

0

ND

45.5

0

ND

34.7

0

ND

 ORF3b

2.63

0

ND

3.85

0

ND

18.2

0

ND

5.33

0

ND

 ORF8

7.89

0

ND

7.69

0

ND

18.2

0

ND

9.33

0

ND

 ORF8_1

0

0

ND

0

0

ND

0

0

ND

0

0

ND

 ORF8_2

5.26

0

ND

15.4

0

ND

27.3

0

ND

12

0

ND