What we know about the deadliest U.S. bird flu outbreak in history – OPB A wave of the highly pathogenic H5N1 avian flu has entered Southern California, driven by wild bird migration. Mario Tama / Getty Images. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppSkypeLike this:Like Loading... Related Tags: BirdNews December 2, 2022 by Pumilo Bird News 0 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.