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. Author manuscript; available in PMC: 2009 Feb 20.
Published in final edited form as: Virology. 2007 Nov 13;371(2):439–446. doi: 10.1016/j.virol.2007.10.004

Figure 1. Recombinant origin for the North American New World arenaviruses.

Figure 1

Sequence comparison of the GP and NP genes from the New World arenaviruses revealed three distinct clade, A, B and C. In addition, the North American arenaviruses, that include WWAV, are most closely related to clade A in the NP gene, but clade B in GP. A/B Rec. refers to this putative recombinant lineage. The strains that are pathogenic for humans (*) are found throughout clade B, in each of the three distinct sub-groups, B1, B2 and B3. The pathogenicity of WWAV remains unclear. Adapted from Charrel et al., 2001, 2002)