The health board said the best course of action was to stay at home, take paracetamol to relieve symptoms of anyfever and to drink plenty of water to prevent dehydration.
Dr Gerard said that although his department at Gatwick regularly screened immigrants and asylum seekers for TB that they had not so far encountered any of the rarer illnesses such as Ebola or Lassa Fever, but he said they were alert to the threat.
Perhaps, but they would do well to remember what happened after the railway fever of the 19th century: the industry had to endure three busts before investors made any serious money.