The Anti Vaccinosis is comprised of homeopathic remedies that are widely known to help to clear the effects of the carriers used in vaccines without removing any of the “benefits” of the vaccines themselves.
You can repeat they cycle once a month to once a week as long as every time you repeat it you are seeing positive results. If you are doing it weekly it should not be repeated for longer than 1 month then you can go to once per month and again so long as each time you do your animal is getting better
You can wipe the pump down with alcohol on a clean paper towel.