Tests show bird flu caused the death of a 21-year-old harbor seal at a zoo in New Bedford, Massachusetts earlier this month.
Zoos are ramping up protections for their animals, after a seal died in February, from the avian flu. Blue, the 21-year-old ...
Blue, a 21-year-old harbor seal, is believed to have contracted the virus through contact with a wild bird, zoo officials said.
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