Bird flu risk to humans an ‘enormous concern,’ WHO says. Here’s what to know | Globalnews.ca Avian flu is caused by influenza viruses that spread among wild aquatic birds and can infect domestic poultry and other animal species. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews April 18, 2024 by Pumilo Bird News 0