Massachusetts
Genetic tests reveal pieces of the bird flu virus are in milk sold in Massachusetts
In some ways, the preliminary results are reassuring, some public health experts said.
Each milk sample was pasteurized, a heating process designed to kill pathogens that leaves behind inactive viral particles. It is rare for humans to become infected with H5N1.
The inactivated remnants of H5N1 virus, also known as bird flu, were ident... [8417 chars]