What is the difference between a general admin VA and a specialist medical VA? Can an ordinary VA do the job?

Medical virtual assistant UK. I dont know what to delegate when I hire a virtual assistant. How does it work? I know I need a VA but how does it work?

When I tell people I’m a Specialist Medical Virtual Assistant, I often get a raised eyebrow and a curious pause. ‘A what?’ usually imagining someone who answers emails in a vaguely competent manner while perched on a beach with a cocktail.