It's a palaver, isn't it? Open this, prepare that, read the instructions... durham_rambler was very kind about talking me through the process, which felt like being the audience for a conjuring trick: I am opening this sachet, and you will see there is a wand inside it. Take hold of it - carefully! by the end! between thumb and forefinger! I had been warned that swabbing the back of your throat is unpleasant, so it was the sticking the thing up my nose that took me by surprise. I was sneezing for half an hour afterwards.
I have an uneasy feeling that if it's that complicated, I've probably done it wrong. But for what it's worth, we each have a recent negative test, and can party with a clear conscience. This entry cross-posted from Dreamwidth: comments always welcome, at either location.