They may be a prospective source for an influenza pandemic, researchers warn.  

The woman, a resident of southeast China, has since recovered.

Mice and ferrets are protected from several deadly viruses when genes encoding “broadly neutralizing antibodies” are delivered into their nasal passages.

The second of the two controversial bird flu papers is published in Science, revealing that just five mutations can render the virus transmissible between ferrets.

Biosecurity board recommends publication of data detailing transmissibility of H5N1 avian influenza.

The creation of H5N1 bird flu strains that are transmissible between mammals has thrown the scientific community into a heated debate about whether such research should be allowed and how it should be regulated.

A series of articles published in open access journal mBio underscores the variety in opinion on whether a transmissible H5N1 strain should be studied.