Try cholera in one arm and plague in the other, at sea in a DLG in heavy weather.
You get used to footprints on the bulkheads, but I’ve never seen barf that high up a bulkhead before or since.
I was scheduled to go to Afghanistan in 1969 with the Peace Corps (I was “deselected” the day before we left. All of those shots, plus rabies. But I remember the cholera shot (and they came as a series) was particularly nasty.