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. 2023 Jan 13;168(2):64. doi: 10.1007/s00705-023-05698-6

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Fig. 2 — Comparison of the rate of detection of each virus between the two periods. *indicates a statistically significant difference in the detection rate between the two periods using the chi-square test or Fisher’s exact test. A P-value less than 0.05 was considered statistically significant.