I don't think many ordinary British English speakers draw the distinction. And yah, I guess they'd take "sign" to mean any sign of anything. So in vernacular ta

I don't think many ordinary British English speakers draw the distinction. And yah, I guess they'd take "sign" to mean any sign of anything. So in vernacular talk, all medical signs AND symptoms get smooshed into "symptoms". So that's fine. Medical experts can use the technical meanings in expert discourse, and the vernacular meanings in vernacular discourse.