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. 2011 Jul 4;9(8):617–626. doi: 10.1038/nrmicro2614

Figure 1. Generation of recombinant and reassortant RNA viruses.

Figure 1

a | Co-infection of a cell by genetically distinct viral strains can lead to the generation of recombinant viruses. This process can occur in both non-segmented viruses (as shown here) or within a segment of a segmented virus. b | Co-infection of a cell by genetically distinct strains of a retrovirus can lead to the generation of 'heterozygous' virus particles, after which a template-switching event can lead to a recombinant provirus. c | Co-infection of a cell by genetically distinct strains of a segmented virus can generate different combinations of reassortant progeny.