Table 2.

Adverse effects related to mRNA-based COVID-19 vaccine.

Adverse Events n/30 (%)	First Dose	Second Dose	Third Dose
Local Pain	25 (83.3%)	27 (90%)	25 (83.3%)
Local Blush	3 (10%)	5 (16.7%)	7 (23.3%)
Local Inflammation	3 (10%)	5 (16.7%)	8 (26.7%)
Paresthesia	0 (0%)	1 (3.3%)	2 (6.7%)
Headache	9 (30%)	8 (26.7%)	9 (30%)
Shivers	6(20%)	10 (33.3%)	12 (40%)
Arthromyalgia	7 (23.3%)	12 (40%)	12 (40%)
Asthenia	12 (40%)	15 (50%)	17 (56.7%)
Dizziness	1 (3.3%)	4 (13.3%)	4 (13.3%)
Syncope	0 (0%)	0 (0%)	0 (0%)
Nausea/Vomiting	1 (3.3%)	2 (6.6%)	1 (3.3%)
Diarrhea	2 (6.6%)	1 (3.3%)	3 (10%)
Fever	4 (13.3%)	10 (33.3%)	12 (40%)
Local Adenopathy	0 (0%)	0 (0%)	1 (3.3%)
Anaphylaxis	0 (0%)	0 (0%)	0 (0%)
Other Adverse Events	2 (6.6%)	5 (16.7%)	5 (16.7%)
Medical Assistance	0 (0%)	1 (3.3%)	0 (0%)
Sick Leave	1 (3.3%)	1 (3.3%)	0 (0%)
Days of Sick Leave	2	3	0