H5N1 Bird Flu Spreads to Dairy Cows and Farmworkers: Critical Safety Measures and Latest CDC Outbreak Updates
24 September 2025

H5N1 Bird Flu Spreads to Dairy Cows and Farmworkers: Critical Safety Measures and Latest CDC Outbreak Updates

Bird Flu SOS: Urgent H5N1 News & Safety

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This is Bird Flu SOS: Urgent H5N1 News & Safety. Today, we face an extraordinary moment in public health: H5N1 bird flu is spreading rapidly and crossing species lines, hitting not just birds and poultry, but dairy cows, cats, and now, dozens of farmworkers across multiple US states. The latest reports from the CDC confirm 70 human cases of H5N1 in the US since early last year, with most cases linked to direct contact with infected dairy cattle—especially in heavily impacted regions like California’s Central Valley, where over 100 dairy herds are now under quarantine or monitoring.

What is alarming experts right now is not just the frequency of infections, but the diverse ways the virus is spreading. According to the CDC, H5N1 has been detected at high levels in raw milk, and cats who drank unpasteurized milk from affected cows have died at a significant rate. The fact that infected dairy cows may show no signs of illness means the threat can be invisible on farms and in communities. And recently, human infections have arisen even among those without direct poultry or livestock contact, suggesting that greater vigilance is needed across the board.

Dr. Timothy Uyeki of the CDC’s Influenza Division warns, “The risk to the general public remains low, but these developments remind us how quickly influenza viruses can adapt. We need active surveillance and people in affected areas must take extra precautions.” The World Health Organization emphasizes that, while sustained human-to-human transmission has not been detected, the risk of genetic mixing between human and avian viruses could increase the threat of a pandemic.

If you live or work on or near dairy or poultry farms, or in communities currently experiencing outbreaks, there are immediate steps you need to take:

Wash hands thoroughly and often, especially after any contact with animals, animal products, or surfaced contaminated by animal secretions or manure.

Avoid all contact with sick or dead animals. Report such findings to local agricultural or public health authorities right away.

Never consume unpasteurized or raw milk, raw or undercooked eggs, or poultry from affected areas.

If you develop eye redness, fever, cough, sore throat, or difficulty breathing AND you have had close contact with birds, livestock, or raw milk recently, seek medical attention immediately and inform your provider of your exposure risk.

Farmers and workers should use personal protective equipment, including gloves, goggles, masks, and disposable coveralls, and ensure all equipment is disinfected frequently.

Children, elderly people, and anyone with weakened immune systems should avoid farm visits until the outbreak is fully controlled.

If you need emergency assistance or want to report a suspected animal or human case, contact your state’s health department or the CDC’s Influenza Call Center. Up-to-date resources are available on the USDA and CDC websites, including area-specific guidance and news.

It is vital to stay informed, but not alarmed. Health authorities stress that the overall risk to most people remains low. Rapid action, strong biosecurity, and vigilance are our best tools. According to the CDC, “We’re working closely with agricultural and veterinary partners to contain this outbreak and keep the food supply safe.”

Thank you for tuning in to Bird Flu SOS: Urgent H5N1 News & Safety. For more updates next week, return right here. This has been a Quiet Please production—check out QuietPlease dot AI for more. Stay alert, stay safe, and take care of one another.

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