[Flu? More wounds? Never found out how.]
Not too difficult to obtain a copy of the Death Certificate, although wartime ones can be a bit terse - but should distinguish between 'flu (which accounted for many) and wounds.
Whatever deeds of derring do one accomplishes, the normal "slings and arrows" still lurk to get you. A cousin of Milady's was awarded the DCM in the Western Desert (and subsequently the honour of his story on the front page of Victor comic!). A few months later he was killed - run over by a 3 ton truck inside the camp.