Auctioneers have described the Peace Diamond as the 14th largest in the world
More than 300 people have died after a hillside collapsed, engulfing homes and burying people alive.
Part of a hill on the outskirts of the capital city of Freetown collapsed, taking unsafe housing with it.
The man who discovered the diamond, a Christian pastor, says it is worth $50 million.
Just 3 percent of infected persons caused 61 percent of cases of Ebola.
Sierra Leone's recovery after Ebola is testament to the power of the private sector in state-building.
Cafferkey was infected while working at a Sierra Leone treatment centre in 2014.
Muslims from Sierra Leone were banned from going on Hajj during the Ebola outbreak.
Four people have died from the virus since February 29.
Health authorities are still looking for 48 people who may be carrying the virus.
The case came hours after West Africa was declared Ebola-free on Thursday.
The virus is back, one day after the WHO declared active transmission had ended.
Corruption is part of life in sub-Saharan Africa, with faith in the police and courts at rock bottom.
One of the first British doctors to respond to Ebola reflects on the economic and social cost of the virus
The organization did not declare the virus to be a global emergency until five months after outbreaks were reported.
The fight against the ebola epidemic has ended in the country, for now.
Less than 2 percent of all Ebola donations went to front-line medical staff in Sierra Leone.
After 42 days without a new case, the WHO declares that the nation is no longer afflicted with the virus.
The country has had dozens of new Ebola cases reported weekly.
Reluctance to declare an outbreak combined with a lack of expertise paved the way for Ebola to kill thousands, the nonprofit says.
Routine vaccination programs have been disrupted by the Ebola crisis, which could lead to new public health disaster.