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. 2021 Dec 19;14:5491–5500. doi: 10.2147/IDR.S335414

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© 2021 Hoque et al.

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Jitter-box plots showing antibody levels at pre-vaccination, post-vaccination dose 1 and post-vaccination dose 2 among participants. P-value was determined by Wilcoxon Signed Rank test. P <0.001 between (i) pre-vaccination and post-vaccination dose-1, and between (ii) post-vaccination dose-1 and post-vaccination dose-2. Person without infection had Optical Density Ratio (ODR) below 0.8 at pre-vaccination period hence a smoothened appearance.

Abbreviations: D-1, Dose 1; D-2, Dose 2.