translation.en: This A/H5N1 group has shown itself to be unusually stable for an avian influenza strain and has spread among birds in two waves, the second of which took it out of south and south-east Asia to Europe and Africa through migratory birds and trade.
translation.lv: Šī A/H5N1 grupa ir izrādījusies neparasti stabils putnu gripas celms un ir izplatījusies starp putniem divos viļņos, no kuriem otrais aiznesa to no dienvidu un dienvidaustrumu Āzijas uz Eiropu un Āfriku ar migrējošiem putniem un tirdzniecību.