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Fig. 3 | BMC Infectious Diseases

Fig. 3

From: Development of a quadruple qRT-PCR assay for simultaneous identification of highly and low pathogenic H7N9 avian influenza viruses and characterization against oseltamivir resistance

Fig. 3

Sensitivity of the multiplex qRT-PCR assay using viral RNAs from LP-H7N9 viruses. (a) Representative amplification plot and standard curves for ten-fold serial dilutions of LP-H7N9 without NAI-resistance mutation strain. (b) Representative amplification plot and standard curves for ten-fold serial dilutions of LP-H7N9 with NAI-resistance mutation strain. The log numbers of live H7N9 viruses (TCID50/mL) are expressed linearly on the x-axis, whereas Ct values are expressed linearly on the y-axis. H7-W, H7-M, N9-W and N9-M are defined the same with Fig. 1

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