British Prime Minister David Cameron is chairing an emergency meeting to discuss the UK's response to the Ebola epidemic.
Sierra Leone's President has told the UK prime minister the situation there is now, "very serious."
Four people are in quarantine in Spain after a nurse there treating two missionaries with the virus contracted it herself.
Professor David Mabey from the London School of Hygiene and Tropical medicine says health authorities in the Uk have made preparations.
IN: That car we….
OUT: very little risk….
DUR: 23"