Ebola outbreak: Inside a lab battling deadly disease
30 July 2014 Last updated at 00:11 BST
The Ebola outbreak in West Africa is likely to last until the end of the year according to medical charities Médecins Sans Frontières and the International Federation of Red Cross and Crescent societies.
More than 670 people have died so far, and at least 1,200 cases have been recorded.
BBC News visited Gueckadou in south-east Guinea, where the outbreak first started in March 2014.
Global Health Correspondent Tulip Mazumdar was given a look around a makeshift laboratory trying to battle the disease.