Side effects – n (%)
|
Astra Zeneca
|
Astra Zeneca
|
Pfizer-BioNTech
|
Pfizer-BioNTech
|
P1
|
P2
|
|
First dose
(N=441)
|
Second dose
(N=265)
|
First dose
(N=513)
|
Second dose
(N=414)
|
|
|
Pain and swelling at injection site
|
354 (80.3)
|
38 (14.3)
|
418 (81.5)
|
169 (40.8)
|
0.696
|
<0.001
|
Redness at injection site
|
11 (2.5)
|
1 (0.4)
|
8 (1.6)
|
11 (2.7)
|
0.425
|
0.034
|
Itching at injection site
|
70 (15.9)
|
5 (1.9)
|
64 (12.5)
|
9 (2.2)
|
0.158
|
1
|
Self-reported fatigue
|
261 (59.2)
|
15 (5.7)
|
60 (11.7)
|
64 (15.5)
|
<0.001
|
<0.001
|
Sore throat / Running nose
|
14 (3.2)
|
0 (0.0)
|
3 (0.6)
|
0 (0.0)
|
0.006
|
.
|
Coughing
|
6 (1.4)
|
0 (0.0)
|
0 (0.0)
|
2 (0.5)
|
.
|
.
|
Headache
|
183 (41.5)
|
7 (2.6)
|
43 (8.4)
|
37 (9.0)
|
<0.001
|
0.002
|
Muscle pain
|
187 (42.4)
|
10 (3.8)
|
49 (9.6)
|
38 (9.2)
|
<0.001
|
0.011
|
Chilling
|
159 (36.1)
|
5 (1.9)
|
14 (2.7)
|
16 (3.9)
|
<0.001
|
0.219
|
Over 38oC fever
|
113 (25.6)
|
13 (4.9)
|
1 (0.2)
|
49 (11.9)
|
<0.001
|
0.003
|
Nausea
|
34 (7.7)
|
0 (0.0)
|
5 (1.0)
|
5 (1.2)
|
<0.001
|
.
|
Joint pain
|
78 (17.7)
|
19 (7.2)
|
8 (1.6)
|
14 (3.4)
|
<0.001
|
0.04
|
Stomachache
|
7 (1.6)
|
2 (0.8)
|
1 (0.2)
|
0 (0.0)
|
0.028
|
.
|
Diarrhea
|
16 (3.6)
|
0 (0.0)
|
2 (0.4)
|
2 (0.5)
|
0.001
|
.
|
Rash skin
|
4 (0.9)
|
1 (0.4)
|
1 (0.2)
|
0 (0.0)
|
0.188
|
.
|
Vaginal hemorrhage
|
4 (0.9)
|
0 (0.0)
|
1 (0.2)
|
0 (0.0)
|
0.188
|
.
|
Thrombocytopenia
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
.
|
.
|
Myocarditis
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
.
|
.
|
Anaphylactic shock
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
0 (0.0)
|
.
|
.
|