The timing of a publish-baseline study will rely upon the local situation. It ought to be prolonged enough to allow time for behaviour to alter but not later than just one year following the initial survey. Refrigeration of foods (and avoidance of certain foods in environments in which refrigeration is http://landenpcobm.timeblog.net/12004870/the-fact-about-methods-of-household-hygiene-that-no-one-is-suggesting