Table 2.
Local and systemic side effects after first and second dose of both vaccines (Moderna and Pfizer)
| Side Effect | After the 1st dose | After the 2nd dose |
|---|---|---|
| Local side effects | ||
| Pain at the site of injection | 185 (73.1%) | 173 (68.4%) |
| Redness | 8 (3.2%) | 11 (4.3%) |
| Swelling | 16 (6.3%) | 16 (6.3%) |
| Itching | 2 (0.8%) | 1 (0.4%) |
| Systemic side effects | ||
| None | 95 (37.5%) | 53 (20.9%) |
| Fatigue | 63 (24.9%) | 138 (54.5%) |
| Muscle soreness | 111 (43.9%) | 123 (48.6%) |
| Aches | 44 (17%) | 99 (39.1) |
| Joint Pain | 18 (7.1%) | 47 (18.6%) |
| Headache | 48 (19%) | 81 (32%) |
| Itching | 1 (0.4%) | 1 (0.4%) |
| Shortness of breath | 0 | 0 |
| Loss of consciousness | 0 | 0 |
| Fever | 10 (4%) | 54 (21.3%) |
| Skin rash | 3 (1.1%) | 2 (0.8%) |
| Nausea | 10 (4%) | 17 (6.7%) |
| Vomiting | 0 | 0 |
| Chills | 2 (0.8%) | 16 (6.3%) |
| Diarrhea | 1 (0.4%) | 3 (1.2%) |
| Metallic taste | 2 (0.8%) | 1 (0.4%) |
| Cough | 2 (0.8%) | 1 (0.4%) |
| Mental fogginess | 1 (0.4%) | 1 (0.4%) |
| Night sweats | 1 (0.4%) | 2 (0.8%) |
| Dizziness | 0 | 1 (0.4%) |
| Insomnia | 0 | 1 (0.4%) |
| Sweating | 1 (0.4%) | 1 (0.4%) |
| Runny nose | 1 (0.4%) | 0 |
| Severe allergic reaction | 1 (0.4%) | 0 |
| Malaise | 0 | 1 (0.4%) |
| Swollen lymph node | 1 (0.4%) | 0 |