A seal-killing virus probably spread from the North Atlantic to North Pacific because of sea ice retreat
A new study links surges of phocine distemper virus, or PDV, in Alaska marine mammals to years with low sea ice.
November 12, 2019
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When scientists in 2004 found that Alaska sea otters were exposed to a sometimes-deadly virus that plagues seals in the North Atlantic, they were puzzled. Sea otters do not travel far, and the phocine distemper virus, a major problem for the other side of the world, had not been previously found in Alaska waters.
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