Sorry, been very busy lately
Were they on a water vessel, such as a ship, boat, raft, etc.?
No
Was the disease they died from, contagious?
No
Was the disease caused by some kind of food or water contamination?
Highly likely this does play a part...
Was the disease airborne?
Yes, I suppose you could phrase it that way.
Were these men soldiers?
Nope
Were these men rescuers of a sort?
Nope, not really.
Did these men all come from the same place?
Yes
Did they use some kind of transportation to reach the destination?
No
Did they walk to their destination
Yes
Was the destination an island?
No