Image ?Licensed to i-Images Picture Agency. 10/02/2020. London, United Kingdom. Passengers arriving at Terminal 4 wearing masks. Public Health England sign at Heathrow Terminal 4 warning people that if they have been to Wuhan or Hubei Province in the last 14 days, they should stay indoor. The number of cases of the virus in the UK has now doubled to eight.Coronavirus signs at Heathrow. Heathrow Terminal 4. Picture by Mark Thomas / i-Images