However, he expected that status to change and urged countries to strike hard against the virus before the "window of opportunity" closed and countries with weak health systems were impacted.
The Chinese woman confirmed as Britain's ninth coronavirus case was at a Westminster bus conference yards from Parliament, it was revealed today.
In addition to the patient being treated at St Thomas' Hospital in London, the UK's coronavirus cases include two Chinese nationals who tested positive in York.
The Chinese patient was the first case in London and doctors are anxious that the disease's emergence in the capital will lead to it spreading quickly.
"Normally, if an preliminary case is in a densely populated space, then the danger of sustained person-to-person transmission following is greater", Dr Robin Thompson of Oxford College stated.
The woman diagnosed with coronavirus in London first went to A&E in an Uber to seek help, it has emerged.
The first person diagnosed with coronavirus in London turned up unannounced at a hospital in an Uber taxi after falling ill, the Guardian has been told.
"This is exacerbated by the fact that London is a transport hub, and the Underground could provide a network to spread the virus quickly".
The Ferns Medical Practice in Farnham, Surrey, is said to be undertaking a deep clean after a patient had come in after visiting "one of the affected coronavirus areas". Patients with thought coronavirus have actually swabs taken of their nose as well as throat which are sent out to among 12 laboratories throughout the UK.
Transport Times emailed attendees on Thursday afternoon on the instruction of Public Health England (PHE), informing them that a person confirmed to have the virus had been at the event, according to the Financial Times.
Earlier this week, the British authorities declared that the coronavirus was a "severe and imminent" menace to public well being.
An Uber spokesman said: "We received a request from Public Health England for information about a passenger who has now been confirmed as having coronavirus. Both London and the rest of the United Kingdom can expect to see more cases, though hopefully these will continue to be isolated cases and seen in small numbers".
The head of the NHS, Simon Stevens, claimed that to include the spread much more individuals would certainly require to self-isolate in your home if they had dubious signs.
Meanwhile, all 83 people being held in quarantine at Arrowe Park Hospital in the Wirral have been told their final set of test results for the coronavirus have come back negative, confirming they are free of the virus.