translation.en: It is thought that as an animal/bird influenza adapts to humans and becomes transmissible, it also loses some of its pathogenicity for humans.
translation.mt: Huwa maħsub li hekk kif l-influwenza ta’ annimal/għasfur taddatta ruħha għall-bnedmin u ssir trasmissibbli, titlef ukoll xi ftit mill-patoġeniċità tagħha għall-bnedmin.