Key points from article :
Coronavirus risk to the UK has been changed from "very low" to "low".
Human-to-human transmission of the virus had been confirmed.
Airport authorities will monitor all flights from Wuhan to London Heathrow.
Flights will arrive at an isolated part of Terminal 4, with a health team available.
Chinese authorities have advised people to stop travel into and out of Wuhan.
WHO is yet to decide if it should be declared an international public health emergency.