[theo_luddite]

You are highly unlikely to be in an ICU for very long, if at all due to a false +ve for anything. Highly likely you wouldn't get passed A&E. Then again, not many did before we got an attack of the Covids even with a real +ve. Far too many died on a stretcher in a corridor or in the ambulance in the car park. Now they die at home too scared to call the ambulance.

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Yup. I've worked in a sector of the Chemical industry most of my working life. If you wanted to sell more than 1000 kg of a substance or novel mixture you registered it through the HSE with REACH. Now you have to register it with REACH UK, probably still HSE, AND EU REACH if you want to sell into EU countries plus a few others. 2x paperwork, likely 2x cost and probably 2x delay. What happens if one accepts and the other doesn't, other than you can't move the stuff from one place to the other?