Detection and Isolation of Airborne Influenza A H3N2 Virus Using a Sioutas Personal Cascade Impactor Sampler

Figure 4

RT-PCR amplification of an influenza virus H3N2 subgenomic hemagglutinin gene sequence. Shown in an ethidium-bromide-stained 1.5% agarose gel loaded with a 100-bp ladder (lane marked “M”) and a 1,127 bp amplicon corresponding to the N-terminal half of the hemagglutinin gene sequence.