Please follow advice provided on GOV.UK and stay at home as much as possible. You should receive a letter shortly from the Department of Health and Social Care regarding what to do if you cannot work from home and copies of the letter can be found on the website above following this link.

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/947153/201220_CEV_Letter_tier_4_v1.0_FINAL_with_signatures.pdf