Never had one, but Missy has cracked it. I'd go in with the aim of getting sent home (not classed as calling in sick then!) and if I didn't at least I'd know I'd be able to infect which ever twats wouldn't send me home.

The last time I was seriously sick I vomited solid food through my nose (blew my nose in the bath an hour later and a fucking mushroom fell out!). I've never had a sick day and we have a skeleton staff so I didn't really want one. But I made it clear that unless I was doing nothing but sitting on my arse like a glorified receptionist wasn't coming in!