List of vaccines and their efficacy and reported side effects
| COVID vaccines | Efficacy | Adverse effect | References |
|---|---|---|---|
| Moderna: mRNA-1273 | 94.4% | Pain, swelling and erythema at the injection site, headache, fatigue, chills, arthralgia, myalgia, nausea/vomiting, axillary swelling, fever, and an allergic reaction which includes anaphylaxis, myocarditis, pericarditis, and syncope | [66–71] |
| Pfizer: BNT162b1 | 91.7% | Injection site reaction (redness, pain, swelling, and pruritus), fatigue, headache, myalgias fever, chills, and joint pain | [73, 74] |
| Janssen (Johnson & Johnson): Ad26.COV2. S | 93.1% | Pain, headache, fatigue, and anxiety-related events which included tachycardia, hyperventilation, light-headedness, and syncope | [84, 85] |
| Oxford/AstraZeneca: AZD1222 | 70.4% | Pain at the injection site, headache, fatigue, fever, transverse myelitis, and sclerosis | [86, 90] |
| Sinopharm: BBIBP-CorV | 79% | Normal injection site pain, fatigue, headache, lethargy, and tenderness | [93] |
| Sinovac (CoronaVac) | 83.5% | Pain at the injection site, redness, increased temperature, and systemic side effects are very less | [99] |
| Covaxin: BBV152 | 78% | Muscle pain, fever, pain at the injection site, headache, and fatigue | [101] |