3 grizzly bears in Montana tested positive for bird flu, euthanized last fall – Fox 29 Highly pathogenic avian influenza (HPAI) is a strain of the influenza virus that primarily infects birds, but can also infect humans. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews January 18, 2023 by Pumilo Bird News 0