Covid-19: Inside the UK's top-secret military lab - BBC News
Military scientists at Porton Down have shown the BBC the work they are doing investigating coronavirus.
Their work is normally highly classified, but military scientists at Porton Down in Wiltshire are now fighting coronavirus.

Some of the same scientists who identified Novichok, the nerve agent used in the Salisbury poisoning, have been helping to analyse Covid-19 and finding ways to protect NHS staff.

The BBC's Defence Correspondent Jonathan Beale has been given exclusive access to the site.