Relatives of people with dementia say updated guidance is unlawful as it encourages care homes in higher risk areas to institute blanket bans on family visits.
An annual festival promoting issues around social justice has this year chosen to support CrossReach, which is the operating name for the Church of Scotland's Social Care Council which is celebrating its 150th anniversary throughout 2019.
The Alzheimer's Society says at least 1,400 people with dementia will spend Christmas in hospital - well enough to go home, but trapped because of a social care system starved of funding.