Volume 21, Number 7—July 2015
Dispatch
Rapidly Expanding Range of Highly Pathogenic Avian Influenza Viruses
Figure

Figure. Genealogy of subtype H5N8 HPAIV, its spread from China to other countries, and its evolution in wild birds. Stars represent probable spread of virus and/or reassortment in wild birds; question marks indicate unknown mode. GER, Germany; HPAIV, highly pathogenic avian influenza virus; ITA, Italy; LPAIVs, low pathogenicity avian influenza viruses; Neth, the Netherlands; UK, United Kingdom; US, United States.