Fig. 1From: G1-like M and PB2 genes are preferentially incorporated into H7N9 progeny virions during genetic reassortmentSchematic representation of the genetic constellations of the different viruses. SH14 virus were genotype H H9N2 virus; CZ73 and AH320 viruses were genotype S H9N2 viruses; and GD15 were H7N9 virus whose internal genes all came from genotype S H9N2 virusesBack to article page