Is Dr Rich about?

[redgunamo]

It can be quite serious if left untreated.

I actually know for a fact that when doctors are discussing the condition, they cover their mouths with their hands like pensioners do when using a mobile phone, and refer to it as "the semi bad aids".

Indeed. Here's what the French have to say about it: Le zona est une dermatose virale fréquente, due au virus de l'herpes zoster, le même virus que la varicelle. L'adjectif s'y rapportant est zostérien.

Basically, BGM is finnish.