Abstract
The recurrence of the COVID-19 pandemic in 2022 has had a great impact on people's mentality, although the government has controlled it through a series of effective measures. What is noteworthy is that the public opinion on vaccines has changed significantly, and at present, the level of public's trust in the COVID-19 vaccine is what we are concentrating on. For the current situation, new measures should be explored. Vaccines have been proven to be effective in reducing the rate of serious cases and death among infected people. However, vaccination rates still need to be improved, especially among the elderly. For people with low antibody levels, the fourth injection is recommended. Studying vaccines effective against virus mutation is the focus of future research.
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