On November 13, Spain's Ministry of Agriculture, Fisheries and Food imposed the confinement of all free-range poultry farms ...

Researchers at the US Centers for Disease Control and Prevention (CDC) have identified a few instances of asymptomatic human ...

Avian influenza virus cases tend to rise during the colder months, as is the case with human influenza. However, since 2020, ...

The unidentified man was hospitalized with a high fever, confusion and respiratory distress earlier this month.

A Washington State resident has contracted the H5N5 bird flu, marking the first U.S. human case since February.

"Unlike the more familiar H5N1 strain, H5N5 infections in humans are extremely rare. This strain is known for its genetic ...

Only 18 asymptomatic H5N1 cases have been reported globally; most found via enhanced surveillance of high-risk contacts.

Avian flu has been found in a small backyard flock of poultry, according to the Department for Environment, Food and Rural Affairs (Defra). The latest case of the H5N1 virus was confirmed among the ...

Bird flu hasn’t gone anywhere, and it’s still sickening Americans. Health officials in Washington have confirmed that a ...

According to a new study, an evolutionary shift around 2020 helped the bird flu virus adapt better to wild birds.

A U.S. patient has tested positive for the H5N5 bird flu subtype for the first time. Learn how H5N5 differs from H5N1, what ...

Rare asymptomatic H5N1 bird flu infections detected in humans. Learn how to stay safe and what experts say about this silent, ...