Bird flu threat might persist for weeks in Iowa | News – southernminn.com Wild, migrating birds are believed to be the primary source of the virus transmissions. The fall duck migration appears to be waning based on weekly … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: Wild Birds December 5, 2022 by Pumilo Wild Birds 0