In the original article, there was a mistake in Figure 4 as published. An old version of Figure 4 was used instead of the latest figure file. The corrected Figure 4 appears below.
Figure 4.
General construction process of recombinant protein, DNA, VLP, vector-based, and mRNA influenza vaccines.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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