What precautions should I take? Avoid contact with Ebola patients and their bodily fluids, the WHO advises.
Do not touch anything - such as shared towels - which could have become contaminated in a public place.
Washing hands and improving hygiene is one of the best ways to fight the virus
Carers should wear gloves and protective equipment, such as masks, and wash their hands regularly.
The WHO also warns against consuming raw bushmeat and any contact with infected bats or monkeys and apes. Fruit bats in particular are considered a delicacy in the area of Guinea where the outbreak started.
In March, Liberia's health minister advised people to stop having sex, in addition to existing advice not to shake hands or kiss. The WHO says men can still transmit the virus through their semen for up to seven weeks after recovering from Ebola.
A BBC reporter in the Liberian capital Monrovia says that public awareness campaigns around Ebola have been stepped up following the death in July of renowned Liberian doctor Samuel Brisbane.
Liberia has now closed schools, most of its border crossings and communities hit by an Ebola outbreak face quarantine to try to halt the spread of the virus