It certainly could be due to a range of other reasons, such as novovirus, which is why I was curious to hear whether anybody else on the flight was affected, as I think that would then rule out the non food poisoning options. And yes, we're staying home and well hydrated, though even keeping water down was a real challenge for a while...

Shareholder, I don't remember the brand. I remember it came in a cardboard sleeve, it had the worlds "posh" and "hot" on it, and there was a .co.uk website listed for ingredients / nutritional info / more information.