Please can anyone help with this question. I have googled it and it does seem like a minimal risk but I am caught between a rock and a hard place as my Dad wants to visit but DH is 39 and is not happy about it until he at least has had the first vaccination. My DH'S concern is also that it is not allowed at the moment as my Dad lives in a funny set up with others in a house. He is therefore not single and in our bubble. He lives with people who have poor hygiene standards and one has carers visiting every day for medical care as they have an illness that is now being treated at home, the fellow resident was in hospital only last week though. DH is worried about the number of houses in London the care worker has visited. My Dad is upset and thinks DH is being over the top. Can anyone help with the question of likelihood of catching Covid from my Dad if he is asymptomatic?