The pears get a disinfectant bath in water with up to five parts per million of ozone, which kills viruses (like the ones that cause hepatitis) and bacteria (like E. coli and salmonella).

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According to the CDC, it takes less than a minute for E. coli to be inactivated if chlorine levels are adequate, about 16 minutes to control Hepatitis A virus, about 45 minutes to kill off the Giardia parasite and over 10 days for a Crypto parasite.

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