The last major outbreak of this virus, in Angola, killed more than 200 people.
The announcement made Guinea the second country to pull out of the Olympics due to COVID. North Korea decided to not participate in the Games in early April.
"It's a huge concern to see the resurgence of Ebola in Guinea, a country which has already suffered so much from the disease," said WHO Regional Director for Africa, Dr Matshidiso Moeti.
The snake is almost impossible to handle in the normal way without being bitten, due to its unique abilities.
Since the magnitude 7.5 earthquake there have been at least three aftershocks greater than 5.0 magnitude.
No democratic leader congratulated Erdogan on his win except Trump.
Police arrested Lieutenant Aboubacar 'Toumba' Diakite in the Senegalese capital Dakar.
Reports of abuse and self harm on Manus Island have drawn criticism from the U.N. and human rights groups.
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.
The organization did not declare the virus to be a global emergency until five months after outbreaks were reported.
Data from a trial in Guinea showed a vaccine was 100 percent effective.
After 42 days without a new case, the WHO declares that the nation is no longer afflicted with the virus.
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.
The worst-hit country still saw hundreds of new Ebola cases last week.