Peroxide is an oxidant, meaning it creates free radicals in which the supposed bacteria or fungii are killed, but it also creates free radicals in which also take out some of the normal cells as well. Peroxide used to be the medical establishments recommendation to use on minor cuts and abrasions when trying to disinfect. But unfortunately what they found is that the free radicals created, (like the oxidative burst of in vivo cells encountering infectious agents) is that the free radical production interferes with healing, and it actually takes longer to heal normal tissues.
Perhaps this might be something to consider, especially those in which are having problems with ROS and healing.
Another consideration is the capablility of bacteria in response to oxidative products. And that is toxin production. In producing toxins, this allows the bacteria to persist in an oxidative environment, because of the oxidants ability to compromise normal tissues, allowing it to spread further into damaged tissues.
LaurieL