Table 1 Symptoms of SARS CoV in vaccinated and non-vaccinated subjects.

From: SARS-CoV-2 vaccine breakthrough infections with the alpha variant are asymptomatic or mildly symptomatic among health care workers

Symptoms

Vaccinated subjects (n = 33)

Non-vaccinated controls (n = 20)

p-value

any

16 (48%)

17 (85%)

0.010

fever (>37.5 °C)

2 (6%)

13 (65%)

<0.001

headache

2 (6%)

2 (10%)

0.627

asthenia

2 (6%)

8 (40%)

0.004

arthralgia

3 (9%)

5 (25%)

0.137

pharyngodynia

1 (3%)

2 (10%)

0.549

rhinitis

9 (27%)

2 (12%)

0.175

cough

3 (9%)

3 (15%)

0.661

pneumonia

0 (0%)

2 (10%)

0.138

dyspnea

0 (0%)

4 (20%)

0.017

anosmia

2 (6%)

12 (60%)

<0.001

ageusia

1 (3%)

10 (50%)

<0.001

nausea

1 (3%)

2 (10%)

0.549

diarrhea

1 (3%)

2 (10%)

0.549

  1. Fisher’s Exact test (two-sided) was used for statistical analysis.