The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type A influenza samples from hospitalized patients, particularly individuals in an intensive care unit.

Is it seasonal flu or bird flu? CDC prompts hospitals to fast-track subtype testing of sick patients to tell the difference.

The findings come at a time when outbreaks of bird flu -- a different subtype of the ... of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating

This pathogenic avian influenza A is a subtype that is found in cows ... with highly pathogenic avian influenza (HPAI) A, H5N1 virus that primarily causes bird flu, has a high potential for ...

A case of the bird flu (also known avian flu or H5N1) involving gamebirds has been confirmed in Spartanburg. The virus was first detected on Dec. 31 and has not been transmitted elsewhere in the Carolinas, the Centers for Disease Control (CDC) reports.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide ... including avian influenza A(H5N1), have gained the ability to spread easily and sustainably among ...

Detected on a duck farm in Merced County, California, it’s the first confirmed case of H5N9 in poultry in the US. Read more at straitstimes.com.

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human cases and the first human death.

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been found among sick birds in the flock.

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including cattle that may have been reinfected.

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a report to Paris-based WOAH, adding that the almost 119,000 birds on the