The outbreak of the Ebola virus is "threatening everybody," according to the foreign minister of Sierra Leone.
Dr. Samura Kamara told ITV News: "We are hopeful this crisis will create a deeper momentum for the whole world to treat Ebola as a threat to humanity such as HIV and Aids."
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.