Table 1 Fifty-two samples from 24 donors who were sampled repeatedly during the first 5 days in hospital.

From: A haemagglutination test for rapid detection of antibodies to SARS-CoV-2

  

Day post hospitalisation

No.

Case

1

3

5

1

C2

 

40

160

2

C6

 

40

80

3

C7

0

 

0

4

C8

 

320

1280

5

C9

40

 

2560

6

C10

320

320

 

7

C23

0

160

640

8

S5

80

160

 

9

S6

1280

1280

2560

10

S7

80

 

2560

11

S12

640

1280

 

12

S13

0

40

320

13

S14

 

640

640

14

S17

 

2560

2560

15

S20

160

320

 

16

S31

40

 

1280

17

S41

 

640

1280

18

S43

 

40

160

19

S48

 

1280

2560

20

M9

 

0

160

21

M11

0

0

0

22

M13

 

0

0

23

M14

 

163840

163840

24

M25

40

 

640

25

M30

 

320

320

  1. Numbers in bold indicate rising titres.
  2. C critical, S severe, M mild.