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. 2021 Aug 13;16(8):e0256110. doi: 10.1371/journal.pone.0256110

Table 2. Knowledge about COVID-19 vaccine (N = 1406).

No. Statement Mean (SD) Correct Wrong/Do not Know
n % n %
1. COVID-19 vaccines use inactivated coronavirus as the antigen.* 0.40 (0.489) 557 39.6 849 60.4
2.COVID-19 vaccines use genetic material from coronavirus as the active ingredient. * 0.37 (0.234) 527 37.5 879 62.5
3. COVID-19 vaccine stimulates our body to produce antibody, T cells and memory cells to combat COVID-19 infection.* 0.73 (0.446) 1021 72.6 385 27.4
4. COVID-19 vaccine protects the receiver from getting COVID-19 infection. * 0.74 (0.438) 1043 74.2 363 25.8
5. COVID-19 vaccination may protect other people who do not receive vaccine. * 0.43 (0.495) 598 42.5 808 57.5
6. Vaccine production involves animal study, 3 phases of clinical trials that cover thousands of people and evaluated by the authority to ensure the vaccine efficacy and safety. * 0.58 (0.493) 820 58.3 586 41.7
7. COVID-19 vaccines will be given via injection. * 0.82 (0.384) 1154 82.1 252 17.9
8. COVID-19 vaccines do not have side effects. 0.25 (0.431) 346 24.6 1060 75.4
9. Everyone including children can receive COVID-19 vaccination. 0.46 (0.499) 207 14.7 1199 85.3
10. COVID-19 vaccine can also protect us from influenza. 0.18 (0.388) 260 18.5 1146 81.5

*Yes is the correct answer