Scientists are making some headway in figuring out what is killing millions of sea stars in the waters off the Pacific coast, from British Columbia to Mexico.
While a definitive answer eludes them, researchers suggest a pathogen — either bacterial or viral — is responsible for the death toll.
"We don't have an absolute answer yet," said Lesanna Lahner, a veterinarian at the Seattle Aquarium, after presenting the latest information at the Salish Sea Ecosystem conference in Seattle last week.
"We've narrowed in on it possibly being a pathogen, some sort of infectious source, bacterial or viral."
The disease was . . .
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