Don't know that they altered or not and don't think it has importance because:today's travellar reads the current advisorary without comparison to what was written in the past.
BTW-the advisory regarding crime, scams, drinking of the water, malaria, dengue, etc. would turn off a good deal of people looking to go on vacation...don't you think? As for me..who cares I'm leaving for JD Sunday morning. Can't be bothered with the small things have bigger fish to fry.
LOL,
john