Current Situation

Cases in the most affected countries

  • A total of 37 confirmed cases of Ebola virus disease (EVD) was reported in the week to 12 April, compared with 30 the previous week. Case incidence in Guinea increased to 28, compared with 21 confirmed cases the previous week. Sierra Leone reported 9 confirmed cases, the same total as in the previous week. Liberia reported no confirmed cases.
  • A total of 5 Guinean prefectures reported at least one confirmed case in the week to 12 April, compared with 6 the previous week. Transmission remains confined to the western area, and is primarily focused on the prefecture of Forecariah, which borders Sierra Leone. In total, 8 prefectures/districts in Guinea and Sierra Leone reported a confirmed case in the week to 12 April, compared with 10 the previous week. This is the lowest number of districts to report a confirmed case since the end of May 2014. Of 55 districts in Guinea, Liberia, and Sierra Leone that have reported at least one confirmed case of EVD since the start of the outbreak, 39 have not reported a case for over 6 weeks.

About Ebola

Our Work

WHO works with national governments and leads the international community to provide emergency health services in countries with widespread Ebola transmission as well as prevent outbreaks in countries that are unaffected.


Stop transmission in all affected countries by:

  • Identify and trace people with Ebola
  • Care for persons with Ebola
  • Safe and dignified burials
  • Infection prevention and control

Prevent outbreaks in any new countries:

  • Cross border preparedness and communication
  • Preparedness in unaffected countries
  • Rapid response teams for new outbreaks
Research and Development

Fast track access to new health technologies:

  • New vaccines
  • Rapid diagnostics
  • Treatments
  • Blood products

Get Involved


Funding requirements for WHO Ebola response plan, March - December 2015

If you want to play a more direct role in the response then consider WHO vacancies and also visit UN Volunteering in the West Africa region.


17 April 2015

Four weeks ago, Sai Conteh, a senior nurse anesthetist at the Kambia Government Hospital in Sierra Leone, was trained on how to protect herself against becoming infected with Ebola virus.

16 April 2015

1. The Ebola outbreak which started in Dec 2013 became a public health, humanitarian and socioeconomic crisis, with devastating impact on families, communities and affected countries.

13 April 2015

Liberia, where the Ebola outbreak seeing exponential growth in cases last September and treatment centers filled up the day they opened, started to turn back the epidemic when it organized and...

10 April 2015

The 5th meeting of the Emergency Committee convened by the WHO Director-General under the International Health Regulations (IHR) 2005 regarding the Ebola virus disease (EVD, or “Ebola”) outbreak...

09 April 2015

Dr Cota Vallenas talks about her experiences in the early days of the Ebola outbreak as an expert in infection prevention and control.

WHO timeline tweets

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