. ▁diff icile ▁is ▁currently ▁a ▁leading ▁hospital - ac quired ▁in fection ▁in ▁the ▁UK , ▁and ▁riv als ▁MR SA ▁as ▁the ▁most ▁common ▁organ ism ▁to ▁cause ▁hospital ▁acquired ▁in fe ctions ▁in ▁the ▁US . ▁It ▁is ▁responsible ▁for ▁a ▁series ▁of ▁int est inal ▁health ▁comp lications , ▁often ▁referred ▁to ▁collect ively ▁as ▁Clo str id ium ▁diff icile ▁Associ ated ▁D ise ase ▁( CD AD ). ▁ ▁The ▁ant im icro b ial ▁effic acy ▁of ▁various ▁co pper ▁allo ys ▁against ▁Clo str id ium ▁diff icile ▁was ▁recently ▁evaluated . ▁The ▁vi ability ▁of ▁C . ▁diff icile ▁sp ores ▁and ▁veget ative ▁cells ▁were ▁studied ▁on ▁co pper ▁allo ys ▁C 1 1 0 0 0 ▁( 9 9 . 9 % ▁co pper ), ▁C 5 1 0 0 0 ▁( 9 5 % ▁co pper ), ▁C 7 0 6 0 0 ▁( 9 0 % ▁co pper ), ▁C 2 6 0 0 0 ▁( 7 0 % ▁co pper ), ▁and ▁C 7 5 2 0 0 ▁( 6 5 % ▁co pper ). ▁St ain less ▁steel ▁( S 3 0 4 0 0 ) ▁was ▁used ▁as ▁the ▁experimental ▁control . ▁The ▁co pper ▁allo ys ▁significantly ▁reduced ▁the ▁vi ability ▁of ▁both ▁C . ▁diff icile ▁sp ores ▁and ▁veget ative ▁cells . ▁On ▁C 7 5 2 0 0 , ▁near ▁total ▁kill ▁was ▁observed ▁after ▁one ▁hour ▁( how ever , ▁at ▁