Five positives out of 29 sampled fish. That's a 17% infection rate.
If it is confirmed that those salmon came from fish farms in BC, it means that their pens are infested, literally swarming, with that virus.
Alexandra Morton writes: " I don't know how I can buy 29 Atlantic salmon and come up with 5 positive results while Gary Marty [BC's lead veterinarian] can't find it in the thousands of tests he has done."
Go to Alex Morton's blog.