Data will of course change over time as it's an evolving situation, but as of right now, 0.00000006% of the UK population is infected with the coronavirus, and 99.84% of those infected outside of Hubei province have so far survived it. You'll be fine as long as you do the normal sensible everyday things everyone should always do anyway to take care of their hygiene and health; wash your hands, sneeze into tissues, don't lick your fingers, don't lick the floor, don't pick other people's noses.
Buon viaggio!