CDC Issues Updated Guidance to Help Prevent Spread of Flu at Agricultural Fairs | NCIRD For example, swine influenza viruses spread commonly in pigs and avian influenza viruses spread commonly in wild birds and cause outbreaks in poultry … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: Wild Birds July 11, 2024 by Pumilo Wild Birds 0