A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

In other H5N1 developments, the FDA's vaccine advisory group said it will discuss the composition of H5 vaccines when it ...

"No human-to-human transmission of influenza A(H3N2)v associated with either case was identified" the CDC said. The US ...

California officials have ordered bulk milk testing for dairy farms within six miles of herds infected with H5N1 bird flu, as ...

Three of the four states had corresponding evidence of human influenza activity from other surveillance systems.

Thus far, the outbreak is growing slowly, says Yale SOM’s Dr. Howard Forman. But a lack of coordination and testing continues ...

For the past several years, millions of birds around the world have been killed or culled because of a highly pathogenic form ...

On the same day H5N1 was confirmed in a California turkey flock, the virus was also found in six dairy farms in the state.

It is not inevitable that H5N1 will develop into a pandemic -- if we act now. Unfortunately, instead of urgent action, we ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.