The news comes as skyrocketing egg prices have become a national political issue, noted by President Donald Trump.

California's only lab that can confirm lethal bird flu in poultry has shifted some testing to facilities out of state for months and does not expect tes

As the H5N1 bird flu virus continues to spread among animals, the discovery of infected rats in Riverside County provides another example of the virus' penchant for surprise.

California's only lab that can confirm lethal bird flu in poultry is shifting some testing to facilities out of state due to a workers' strike, but does not expect testing delays, the University of California said on Wednesday.

Sue Mitchell fears bird flu is behind the death of several swans at Oulton Broad A wildlife enthusiast is concerned bird flu could be behind the deaths of several swans near an inland waterway and testing needs to be carried out.