SignHealth is a charity dedicated to making sure Deaf people get the same sort of access as hearing people to healthcare and health information. You can watch British Sign Language versions of government advice on the SignHealth website.
At Disability Rights UK they are well aware that the outbreak of Coronavirus (COVID-19) is causing great uncertainty and stress. They will keep their Coronavirus Disability Rights page up to date with information and links to government and institutional guidance.
Scope UK are working on updating their Scope UK Support and Advice information for disabled people to keep disabled people safe during the Coronavirus outbreak.
Government Coronavirus (COVID-19): an easy-read guide on protecting extremely vulnerable people.