I think paw3001 already deconstructed that one pretty comprehensively tbf Chris...test it against 2 x Pfizer 21 days apart, that's more useful imho as that's how it's been jabbed elsewhere...if you've only had the one jab, of anything other than iirc Jansen/ Johnson product isn't the advised thng to do is not go out and catch it, so mask up, distance etc.
No I don't wish to appear unhelpful.