That is rather rude, nosy, and inconsiderate. Would you say this has come to the point of being harassing? It certainly sounds as though you have been made to feel uncomfortable. It is time, I think, to have a chat with your boss or Human Resources about this.

My father fell ill with a stroke last week and I have been inundated with inconsiderate nosy enquiries from people - most of whom are complete strangers to me. It has come to the point that I simply reply back that the I wish to keep such information private. I tell them only that information they need to know (that the event in fact happened and he is recovering nicely). In other words, I am telling them to mind their own business.

When it comes to them 'offering' their unwelcome suggestions, you might tell them that you have your reasons not to.