I'll stop when it's safe to do so. When that will be, I have no idea at the moment. If there weren't scientists disagreeing with each other, that's when I would be worried. I tend to go with what the current "consensus" is, if you can call it that. If the vast majority of experts in a field are leaning one way then that is probably the right way. It could be wrong but it's more likely to be right. Otherwise I would just be picking what "feels right" to me or agrees with what I already think - but I know I'm not an expert, so that would be silly. It would be like the way lots of people decide what version of Christianity to follow - they go with the one that agrees with how they already think. The moral argument, while I see where you're coming from, doesn't really hold water. There's plenty vaccine out there and you taking it doesn't prevent someone in, say, Botswana getting it. It's the stockpiling by first world countries that's the issue there and that's a different argument that I'm sure we would be on the same side of. If your doctor gave you antibiotics for something but it didn't clear up properly, then he prescribed you more of the same, you wouldn't take them? If you got chemotherapy and were then told you had to go back for another round you wouldn't go? If St Mirren didn't win any trophies one season you wouldn't bother with them again? [emoji849]