http://cleaningbusinesstoday.com/blog/hydrogen-peroxide-vinegar-a-disinfecting-duo

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Update from a Disinfection Researcher

I called Dr. Susan Sumner, one of the principle researchers of the 1997 study using vinegar and hydrogen peroxide washes to decontaminate beef tissue. She is currently an Associate Dean of the College of Agriculture and Life Sciences at Virginia Tech, and she was very gracious in answering some questions about the antimicrobial properties of vinegar and hydrogen peroxide, and their possible use in removing germs from residential settings.

Dr. Sumner pointed out that household bleach, or sodium hypochlorite, is the gold standard of household disinfection, as it has the broadest antimicrobial spectrum of any household disinfectant and nothing seems to match that; but there is a place for natural products that reduce germs in the environment. It is possible to use products such as hydrogen peroxide and vinegar to knock down germ levels to the point where they won’t cause infection, but it just isn’t possible to sterilize with them.

An important point the Brightnest article missed is the fact that if your goal is to kill germs on any type of solid surface, no matter what product you plan to use, you must clean the surface first. Just like EPA-certified disinfectants, organic soil interferes with the germ killing abilities of vinegar and hydrogen peroxide. In addition neither hydrogen peroxide nor vinegar are really good at cleaning dirt, so you should use a good detergent to remove soil and rinse well before administering vinegar and then hydrogen peroxide to kill germs.

In addition, some types of vinegar, such as apple cider vinegar and balsamic vinegar can stain surfaces, so these should probably not be used. Vinegar can also damage some surfaces such as marble simply because it is an acid, so it is important to be aware of the surfaces you are using it on.”