Not just probably, but very probably. There is NO REASON to suppose that they are unsafe.
The idiot above who was worried about taking chemicals into your lungs, guess what, that’s what we call breathing. Fear of “chemicals” is one of the stupidest things ever, since literally everything in the world is chemicals.
The recent illnesses and deaths have now all been traced to people replacing the genuine product with some toxic mixture they made themselves or bought illegally. There have been no illnesses among those who smoked a genuine product as it is sold in normal stores.
And what’s wrong with nicotine addiction? Why is it any worse than caffeine addiction? So long as you’re getting your nicotine in a safe manner, as vaping is, what’s the problem? The problem with smoking is the tar, and vaping has no tar.