How should blood spills be cleaned from surfaces to make sure that hepatitis B virus is gone?

All blood spills — including those that have already dried — should be cleaned and disinfected with a mixture of bleach and water (one part household bleach to 10 parts water). Gloves should always be used when cleaning up any blood spills. Even dried blood can present a risk to others.

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Any blood spills including dried blood, which can still be infectious should be cleaned using a dilution of one part household bleach to 10 parts water. Gloves should be worn when cleaning up blood spills. More.

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