Human bird flu spreads in Colorado's farms

Jul 24, 2024

Rising human cases of bird flu in Colorado's farms

By Farms.com

The bird flu outbreak in Colorado has escalated with the confirmation of additional human cases by U.S. health authorities.

The outbreak originated at a poultry farm in Weld County, where workers faced exposure during efforts to contain the virus, leading to several human infections.

These latest developments increase the total human cases linked to this outbreak to six, with a seventh case under investigation. These individuals, involved in culling operations of 1.8 million birds, reported mild symptoms and have been treated with antivirals.

The spread has been exacerbated by extreme working conditions, including high temperatures that made protective gear less effective, according to health officials. This has raised concerns about farm safety practices and the potential for wider transmission among farm workers.

The state has intensified its response, increasing testing and monitoring, especially given the concentration of its dairy production in the affected area.

Although the risk to the public remains minimal, the situation underscores the challenges of managing such outbreaks in commercial agricultural settings.

Video: Managing Severe PRRS Outbreaks - Dr. Claire Mtezankuni

In this episode of The Swine it Podcast Show Canada, Dr. Claire Mtezankuni, Swine Veterinarian at Carthage Veterinary Service, discusses the growing severity of PRRS outbreaks in sow farms. She explains how respiratory disease and sow mortality are changing outbreak response, why necropsies and bacterial cultures can guide treatment, and how vaccination, biosecurity, pain management, and clear team communication support recovery and elimination. Listen now on all major platforms!

“Emerging PRRS strains can produce severe reproductive and respiratory disease simultaneously, creating substantial health challenges across sow farms during acute outbreaks.”

Meet the guest: Dr. Claire Mtezankuni / claire-mtezankuni-2529b1b3 is a Swine Veterinarian at Carthage Veterinary Service in Illinois, where her work includes commercial farm veterinary leadership, herd health, disease elimination, and veterinary internship coordination. She holds a DVM from the University of Wisconsin–Madison and a Master of Veterinary Science in Livestock Systems Health from the University of Illinois Urbana-Champaign. Learn more from Dr. Claire Mtezankuni on The Swine it Podcast Show Canada, available on all major platforms.