Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.

Most people with bird flu infections typically experience mild symptoms: Pink eye, fever, fatigue, cough, muscle aches, sore throat, nausea and vomiting, diarrhea, stuffy or runny nose, and ...

Blood samples showed evidence of past bird flu infections in veterinarians despite the doctors never reporting symptoms or knowing they had been exposed, a new federal report published Thursday ...

Keep a close eye on bird flu. That hasn’t stopped some public health experts from sounding alarms. ... Human infection can range from mild symptoms, like eye infections and breathing problems, ...

What 3rd case of bird flu with unknown source of infection could mean in fight against disease. So far, 67 human bird flu cases have been confirmed in the U.S., the CDC says.

For months, as human cases of H5N1 bird flu associated with an outbreak of the virus in U.S. dairy cattle have mounted, one question has loomed larger than others: how many human infections are ...

While bird flu infections among humans are rare, the virus can spread if it gets into a person's eyes, ... Mild symptoms may include eye redness or flu-like upper respiratory symptoms.

Bird flu infections in dairy workers went undetected, new study shows ... They reported eye redness or conjunctivitis, fever, runny nose, sore throat, sneezing and diarrhea.

Seven percent of dairy farm workers in two states showed evidence of recent bird flu infection. ... (88%), eye protection (76%), rubber boots or boot covers (71%) and head covers ...

The new study is more evidence that the official U.S. tally of confirmed human bird flu infections—68 in the past year—is likely a significant undercount.

In humans, bird flu can range in severity from no symptoms to mild symptoms like eye infections or upper respiratory illness. In severe cases, bird flu can cause pneumonia.