UK scientists have begun developing vaccines as insurance against a new pandemic caused by an unknown "Disease X".
— Sky News (@SkyNews) August 7, 2023
The work is being done at the government's high-security Porton Down laboratory complex in Wiltshire.@SkyNewsThomas has more 👇https://t.co/YH3fdfgQ7u pic.twitter.com/eBk0WkAE5Y