it's a virus that can slowly destroy your liver.s stevad to make a quick choice, reject the offersp and d years waiting for another donor, or take the infected s kidney andnd the nextmo three hs taking medication to cure the hepatitis c. >> i took the chance, you know? because i looked at my and my wife and i said, you know, i want to spend more time them. >> and so we looked for ways to kidneyste those the last thing we want to do with 100,000 people waiting for kidneys is to waist aste any of. >> doctoral aleksandr drer gilford is a dr. at georgetown university hospital. his team managed stevens' successful kidney transplant. >> we wouldn'tant to give it to just anybody. for example, patients who don't do well ondialysis, who have exceptionally long times to wait, they're patientshe -- only choice for transplant may be to get a hepatitis c positive kidney. >> mr. stevens was a candidate for the infected kidney only because he already had hepatitis c fm a childhood blood transfusion, he says. now more than a year after his t tran, he has a new kidney and 's free from hep c. there are t