‘Largest avian flu outbreak in U.S. history’ has killed more than 52 million birds, 4.7 … – CBS News She says the fall surge in cases, follows one in the spring of 2022, based on bird migration. “This virus is carried by wild birds, primarily … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews November 28, 2022 by Pumilo Bird News 0