West African Ebola virus epidemic timeline of reported cases and deaths

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West African Ebola Virus Epidemic Timeline of Reported Cases and Deaths

The West African Ebola Virus Epidemic was a major health crisis that struck several countries in West Africa, leading to significant loss of life and widespread panic. This article provides a detailed timeline of reported cases and deaths during the epidemic, highlighting the key moments and the response from the international community.

2014[edit | edit source]

March[edit | edit source]

May[edit | edit source]

  • By May, the disease had spread to neighboring countries, Liberia and Sierra Leone, with several cases reported. The rapid spread underscored the highly infectious nature of the virus and the challenges in containing it in regions with weak healthcare systems.

July[edit | edit source]

  • In July, the first case was reported in Nigeria, Africa's most populous country, raising fears of a wider outbreak in the continent. The case was an imported one, involving a traveler from Liberia.

August[edit | edit source]

September[edit | edit source]

  • By September, the epidemic had escalated with over 2,000 reported deaths. The international community, led by organizations such as the WHO and Médecins Sans Frontières (MSF), intensified their efforts to combat the disease.

December[edit | edit source]

  • The year ended with the epidemic still raging in West Africa, though efforts to control the spread were beginning to show results in some areas. The total number of cases reported was over 20,000, with nearly 8,000 deaths.

2015[edit | edit source]

March[edit | edit source]

  • A year after the epidemic was officially declared, significant progress had been made in controlling the spread of the disease, though new cases were still being reported in Guinea, Liberia, and Sierra Leone.

May[edit | edit source]

  • Liberia was declared free of Ebola transmission by the WHO on May 9, marking a significant milestone in the fight against the disease. However, the declaration was cautious, with the recognition that vigilance was needed to prevent resurgence.

September[edit | edit source]

  • Sierra Leone and Guinea continued to report new cases, though at a much lower rate than at the peak of the epidemic. Efforts to reach "zero cases" were ongoing, with a focus on surveillance and rapid response to new outbreaks.

December[edit | edit source]

  • The year concluded with the epidemic significantly contained, though not yet over. Sierra Leone was declared free of Ebola transmission on November 7, but new cases in Guinea prompted continued caution.

2016[edit | edit source]

June[edit | edit source]

  • The WHO declared the end of the Ebola virus disease outbreak in West Africa on June 9, 2016. This declaration came after 42 days passed since the last known case tested negative for the second time. However, the organization and the world remained on alert for possible flare-ups, emphasizing the need for strong surveillance and health systems to prevent future outbreaks.

Aftermath[edit | edit source]

The West African Ebola Virus Epidemic was a wake-up call for the international community on the need for preparedness and rapid response to health emergencies. It highlighted the importance of strong health systems, the role of international cooperation in managing health crises, and the need for ongoing research into vaccines and treatments for Ebola.


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Contributors: Prab R. Tumpati, MD