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 ...

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.

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 ...

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

U.S. health officials on Friday announced two more bird flu cases among farmworkers at a Colorado poultry farm, bringing the total to six. It's the largest outbreak of human bird flu infections in ...

US health officials have confirmed four new cases of bird flu in poultry workers in the state of Colorado. The Centers for Disease Control & Prevention (CDC) said there is also a fifth person with ...

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 ...

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.

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

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

COLORADO, USA — U.S. health officials on Friday announced two more bird flu cases among farmworkers, but they also said a new study in Michigan suggested the virus is not causing silent ...

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 ...