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. 2022 Aug 30;10(9):1428. doi: 10.3390/vaccines10091428

Figure 6.

Figure 6

Principal component analysis of viral load, survival, and histopathology. Principal component analysis was used to determine the effects of nanovaccines on key vaccine efficacy parameters: survival, viral load, and histopathology postchallenge. The results were plotted three dimensionally and the similarity among formulations is defined through the comparison of Euclidean distances, where formulations in close proximity to one another represent greater similarity.