Bird flu keeps rewriting the textbooks. It’s why scientists are unsettled by the U.S. dairy cattle outbreak The cause: H5N1. That too was startling. Wild birds had only been seen to be seriously sickened by bird flu viruses once before, in 1961. And ducks, … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews May 9, 2024 by Pumilo Bird News 0