Its been official for decades, back before CIAoogle one could read research after research on how high sodium IVs combat ALL hospital infections.

http://www.scientificamerican.com/article/its-time-to-end-the-war-on-salt/

If seems as though mainstream has been talking salt as one and the same with sodium so long and steadfastly that it no longer bothers to point out the important distinction. If it wants to assert that anything containing sodium is salt it probably ought to redefine "salt" and then segue into preaching in terms that talk about sodium that digresses into mention of all the many food things that either naturally contain or have been manufactured to contain some form of sodium - including NaCl - but otherwise leave such salt alone as far a a lone culprit.