Updated government advice during the Covid-19 outbreak can be found here:
Employers:
https://www.gov.uk/government/publications/guidance-to-employers-and-businesses-about-covid-19
Charities:
https://www.gov.uk/government/news/coronavirus-covid-19-guidance-for-the-charity-sector
Self Employed:
https://www.gov.uk/guidance/claim-a-grant-through-the-coronavirus-covid-19-self-employment-income-support-scheme
Job Support Scheme
https://www.gov.uk/government/publications/job-support-scheme
Expansion of Job Support Scheme
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/925672/20201009_JSSC_Factsheet_FINAL_EG_1516_002_.pdf
Job Retention Bonus
https://www.gov.uk/guidance/check-if-you-can-claim-the-job-retention-bonus-from-15-february-2021