For the first time, U.S. dairy cows have tested positive for bird flu | NPR – KCRW Bird flu infects the respiratory and gastrointestinal tracts of birds and is often fatal to avian populations. It can spread from wild birds to … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: Wild Birds March 31, 2024 by Pumilo Wild Birds 0