A 24-year-old man in Uganda's central Mubende district showed symptoms and later died.
The country has recorded 14 outbreaks since 1976. The 2018-2020 outbreak in the east was Congo's largest and the second largest ever recorded, with nearly 3,500 total cases.
DR Congo's National Institute of Biomedical Research (INRB) is currently testing samples from the patient in order to confirm whether or not they were infected with Ebola.
An 18-year-old woman tested positive on Saturday after traveling by bus to Abidjan from neighboring Guinea. It is Ivory Coast's first confirmed case of Ebola in 25 years.
Guinea was declared free of Ebola two months ago, following an outbreak that killed 12 people.
Klain served as Chief of Staff for two vice presidents: Joe Biden and Al Gore, before being appointed as Ebola Response Coordinator for Obama administrations.
The WHO counts over 60 separate health emergencies this year, all overshadowed by the novel coronavirus.
The study, carried out in a joint effort by British and Guinean scientists, is the world's largest and most comprehensive one to date to examine survivors of the Ebola virus.