Will I get gangrene from being aroung it or touching an item an infected area may have touched?

My dads roomate at the hospital had a leg amputated due to gangrene and I was around it constantly for about a week & I just want to be sure that there isn't a chance that it is contagious & that I could become infected with that. The thought of that is a bit scary & it completely repulses me to think I could... show more My dads roomate at the hospital had a leg amputated due to gangrene and I was around it constantly for about a week & I just want to be sure that there isn't a chance that it is contagious & that I could become infected with that. The thought of that is a bit scary & it completely repulses me to think I could get it.
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