If the problem is really about "maladies", I've always though that irradiating food products at customs would be a good compromise to allow people to keep what

If the problem is really about "maladies", I've always though that irradiating food products at customs would be a good compromise to allow people to keep what they brought (for a nominal fee). Maybe it isn't effective against viruses or prions. Maybe the public perception that irradiated food becomes radioactive is to strong. Maybe the problem is actually about protecting domestic industry...