That's the way it should be. Unsure why it's different in North America. I think it's because the agency faces severe consequences from a false negative, so the

That's the way it should be. Unsure why it's different in North America. I think it's because the agency faces severe consequences from a false negative, so they err on the side of false positives. It is also very hard to get the bureaucracy to drop a case once it has been brought to their attention.