Searing heat may have played a role in the infections of five workers who fell ill last week while culling a large flock of chickens infected with the H5N1 virus in Colorado, health officials said ...

There are now 10 human cases of avian flu in the state, according to the Colorado Department of Public Health and Environment, making it the largest outbreak of human bird flu infections in U.S ...

Bird flu has infected six farmworkers in Colorado this month — the most in any state — as health officials stressed the importance of preparedness to contain the H5N1 virus spreading in dairy ...

It's the largest outbreak of human bird flu infections in U.S. history, and accounts for most of the 11 cases reported to date.

Human bird flu cases tick up; second Colorado poultry farm reports spread Seven cases have been reported in Colorado this month, bringing the total to 11.

A bird flu virus has been spreading since 2020 among mammals — including dogs, cats, skunks, bears and even seals and porpoises — in scores of countries.

Here's what we know about human bird flu cases in Colorado, what the state health department says about consuming poultry products and more.

An estimated five more bird flu cases have been reported in Colorado — this time from exposure to infected poultry ...

Five poultry workers in northeast Colorado have fallen ill with bird flu as more human cases sprout across the U.S., state and federal health officials said Friday. The workers were working to ...

Want to know how many human bird flu cases there are in Colorado? Colorado Department of Public Health and Environment has a new tracker.

Four poultry workers in Colorado have been diagnosed with bird flu, health officials confirmed Sunday. These new cases bring the U.S. total to nine since first human case of the current outbreak ...

Four human cases of the highly pathogenic avian influenza, or H5 bird flu, have been confirmed in Colorado poultry workers, and health officials are presuming another worker also has the virus.