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Vaccines, the Only Way to Herd Immunity: Challenges and Solutions

: The novel coronavirus is still spreading around the world. Vaccines play an important role in curbing the spread of novel coronavirus. Herd immunity through vaccines is the only way to eliminate new peaks. However, herd immunity has not yet been achieved. Therefore, in this article, we summarize and analyze the factors that affect the implementation of vaccines and the realization of herd immunity and then put forward relevant suggestions to contribute to the completion of herd immunity.