Bird flu virus has been spreading in US cows for months, RNA reveals – Nature Analysis of the genomes suggests that the cattle outbreak probably began with a single introduction from wild birds in December or early January. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: Wild Birds April 26, 2024 by Pumilo Wild Birds 0