−30
−20
−10
0
10
20
30
40
50
60
70
Covaxin
8
13
42
21
30
39
29
Sinopharm
−4
4
5
9
14
18
19
23
25
28
28
33
41
45
46
52
55
63
Sinovac
−27
32
36
45
66
55
−1