H5N1 bird flu has reached every continent. How worried should you be? | The Straits Times But the version that has most worried scientists in recent years is clade 2.3.4.4b, an H5N1 strain that has spread globally through wild birds, … Read More at Source. Author: Pumilo Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook More Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Like this:Like Loading… Related Tags: BirdNews June 25, 2026 by Pumilo Bird News 0