Avian Influenza is a serious, highly contagious disease of poultry and other birds caused by different types of viruses included in the very large virus family called Influenzaviridae.
Lindude gripp on tõsine, äärmiselt nakkav kodulindude ja muude lindude haigus, mida tekitavad mitmesugused viirused, sealhulgas väga suur viiruste perekond Influenzaviridae.