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Amplification assays using RNA preparations from CtaHVd-LR1-positive (isolate 14A in 2018) and -negative (14O) samples and primer pairs CH1Rev/CH2For (left). CH3Rev/CH4F (middle) or CH5Rev/CH6F (right); C, negative control in which ddH2O instead of cDNA was added to the amplification mix; M, molecular marker is a 100 bp DNA ladder.
