I haven't, but I'm thinking about it. It would reduce false alarms on the NHS, and also stop me catching flu and then going in to a hospital crowded with Covid sufferers and ending up with both.
Can anyone see any downside? Last time I had it, I felt shocking awful for a week, and then it turned out that year it didn't actually help anyway.
Where do you actually get it? I've heard you can get it at supermarkets, but how does that actually work?