As of Tuesday evening, a total of 1,358 people have been tested for coronavirus in the United Kingdom, of whom 1,350 were confirmed negative and eight positive, the Department of Health said.
He further spread the virus to at least 11 others who he came in contact with, these include the five Britons who tested positive in France and one Briton who tested positive in Spain.
Walsh earlier this week made headlines when he came forward for the first time since being identified as the so-called "super-spreader".
Coronaviruses are typically found in animals but in rare cases can jump to humans and begin to transmit person-to-person.
Last night there had been 44,724 confirmed cases worldwide, with 1,114 deaths - almost all in China.
Dr Tedros Adhanom Ghebreyesus, director-general of the World Health Organisation (WHO), told a press conference a name was decided that "did not refer to a geographical location, an animal, an individual or group of people, and which is also pronounceable and related to the disease".
Guy's Hospital in central London, where Mr Walsh was under quarantine. "While I have fully recovered, my thoughts are with others who have contracted the coronavirus".
The father said: "They said both my son and his mum had been in direct contact with a confirmed case of coronavirus and told us to stay at home".
UK GDP stagnates in Q4 Manufacturing output declined sharply by 0.8 per cent in the fourth quarter as there was less demand for cars. The figures were on par with the median forecast which economists predicted in a poll conducted by Reuters.
A welcome to Brighton and Hove sign by the side of the road in Brighton, United Kingdom, on February 11, 2020.
"When the diagnosis was confirmed I was sent to an isolation unit in hospital, where I remain, and, as a precaution, my family was also asked to isolate themselves".
"I was advised to attend an isolated room at hospital, despite showing no symptoms, and subsequently self-isolated at home as instructed", Walsh said.
The report further said that there is technically no scientific explanation as to why some people spread this virus at such a fast pace.
Western Sussex Hospitals NHS Foundation Trust, which runs Worthing Hospital and St Richard's Hospital, and the Department of Health have been asked for statements. "We continue to provide support to him and his family", Servomex said in a statement.
EasyJet said that 183 passengers and six crew members were on the flight that Walsh took from Geneva to Gatwick Airport in London on January 28.
Keith Willett with the UK's National Health Service confirmed that Walsh was no longer contagious.
Prof Cosford said PHE was working to trace the small number of contacts of the two doctors, including a Brighton GP, who were among the four new cases announced on Monday.