but most don't know they're infected? people can live for decades without symptoms, but over time hepatitis c can cause serious health problems. if you were born during these years, the cdc now recommends that you get a blood test for hepatitis c. so talk to your doctor and find out if you have hepatitis c. it could save your life. know more. with the ebola virus outbreak affects thousands of lives in africa and the disease's international threat, the race is on to crack its code. >> scientists recruited a unique ally in the battle. video gamers. >> reporter: researchers looking for ways to end dangerous diseases are recruiting video gamers to help create a cure for the deadly ebola virus. >> gamers think differently than researchers.