How long can hepatitis B and C live outside the human body, such as a razor on a toothbrush?

Respond Stanislav Y. Karpov, hepatology, gastroenterology, hepatology and gastroenterology clinic Medal long enough - months or even years. But is passed through the household only virus V. A similar question: ... or how long live the hepatitis B virus in the open ... How many live hepatitis in the sand ...