Bird flu likely circulated in US cows for four months before diagnosis -paper | Reuters “Data support a single introduction event from wild bird origin virus into cattle, likely followed by limited local circulation for approximately … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews May 2, 2024 by Pumilo Bird News 0