A spokesperson for the supermarket chain said that the virus for infectious salmon anemia, which does not pose a risk to humans, was affecting the size and taste of the fish.

Safeway, the third-largest supermarket chain in America, has restricted some purchases of farm-raised Chilean salmon over concern about a virus that is killing millions of fish there.

Safeway, the third-largest supermarket chain in America, has restricted some purchases of farm-raised Chilean salmon over concern about a virus that is killing millions of fish there.