H5N1 Bird Flu Spreads Globally: Cambodia Reports Surge in Cases, US Monitors Dairy Herds Amid Ongoing Pandemic Concerns cover art

H5N1 Bird Flu Spreads Globally: Cambodia Reports Surge in Cases, US Monitors Dairy Herds Amid Ongoing Pandemic Concerns

H5N1 Bird Flu Spreads Globally: Cambodia Reports Surge in Cases, US Monitors Dairy Herds Amid Ongoing Pandemic Concerns

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Bird Flu Bulletin: Daily H5N1 Update

Saturday, January 3, 2026.

Good evening, this is your Daily H5N1 Update. I'm your host, bringing you the latest on avian influenza developments worldwide.

Top stories from the last 24 hours.

First, WHO reports Cambodia has now confirmed 11 human H5N1 cases in 2025 through July 1, up from prior tallies, with seven in June alone and a 54% fatality rate among them, mostly linked to backyard poultry exposure. Six deaths occurred in provinces like Siem Reap and Takeo, per WHO Disease Outbreak News.

Second, US CDC surveillance holds steady with 71 total human cases since 2024, including two deaths; no new detections in targeted testing of over 21,300 exposed workers, mainly from dairy herds and poultry farms. Science Focus notes over 180 million US poultry affected and rising egg prices amid clade 2.3.4.4b spread.

Third, global human cases reach 986 from 2003 to mid-2025 per WHO, with 473 deaths at 48% CFR; Cambodia's toll hits 83 cases and 49 deaths. No sustained human-to-human transmission detected.

Case numbers today match yesterday's global snapshot: no net change in confirmed humans, though animal outbreaks persist in wild birds and mammals.

Health authorities: CDC emphasizes ongoing monitoring with no unusual human flu activity. WHO urges surveillance of sick poultry and exposed contacts. Science Focus warns of weakening US state-level reporting, calling for coordinated farm surveillance from experts like Dr. Jeremy Rossman.

Now, a brief expert insight. From IndiaSpend interview, Professor Gautam Menon of Ashoka University on modeling H5N1 spillover: "There is general consensus that the next pandemic is most likely a bird flu. Once it escapes farm workers' families, only lockdowns can stop it. Better bird surveillance, culling, and antivirals are key, drawing from COVID lessons."

Looking ahead: Expect tomorrow's updates on Cambodia sequencing for clade 2.3.2.1e variants and US monthly flu data refresh. Watch for dairy cow outbreaks, as H5N1 genetic material lingers in milk per experts. Vigilance remains critical amid multi-species circulation.

Thank you for tuning in. Come back next week for more. This has been a Quiet Please production. For me, check out Quiet Please Dot A I. Stay safe.

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