A mother of a child, suspected of dying from Ebola, cries near her child's coffin in Beni, North Kivu Province of Democratic Republic of Congo, December 17, 2018.

A health worker sprays disinfectant near a suspected Ebola patient holding a baby at an Ebola treatment centre in the Eastern Congolese town of Butembo in the Democratic Republic of Congo, March 27, 2019.

A healthcare worker carries a coffin into a hospital where a baby is suspected of having died from Ebola, in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018.

Furana Katungu, 2, who is confirmed to be suffering from Ebola, is cared by ebola survivor Jeanine Masika Mbuka inside the Biosecure Emergency Care Unit (CUBE) at the ALIMA (The Alliance for International Medical Action) Ebola treatment centre in Beni, in the Democratic Republic of Congo, April 1, 2019.

Health workers carry the coffin of a man who died of at an Ebola treatment centre in the Eastern Congolese town of Butembo in the Democratic Republic of Congo, March 26, 2019.

Health workers dressed in protective suits carry a Congolese woman confirmed to have Ebola as she is admitted to the Ebola treatment centre in Butembo, in the Democratic Republic of Congo, March 28, 2019.

A Congolese woman and her children who are suspected Ebola patients sit at the Ebola treatment centre in Butembo in the Democratic Republic of Congo, March 28, 2019.Picture taken March 28, 2019.

A coffin maker works outside his workshop in Butembo, in the Democratic Republic of Congo, March 27, 2019.

Healthcare worker carry a coffin with a baby suspected of dying of Ebola during the funeral in Beni, North Kivu Province of Democratic Republic of Congo, December 18, 2018.

A health worker puts on Ebola protection gear before entering the Biosecure Emergency Care Unit (CUBE) at the ALIMA (The Alliance for International Medical Action) Ebola treatment centre in Beni, in the Democratic Republic of Congo, March 31, 2019.

Red Cross workers carry the coffin of a woman who died of Ebola to be buried at a cemetery in the Eastern Congolese town of Butembo in the Democratic Republic of Congo, March 28, 2019.

Healthcare workers carry a coffin with a baby, suspected of dying from Ebola, in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018.

The mother of a baby suspected of dying from Ebola, cries outside a hospital in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018.

A healthcare worker decontaminates a bed where a baby, suspected of dying from Ebola, was laying in Beni, North Kivu Province of Democratic Republic of Congo, December 17, 2018.

Medical stuff and an Ebola survivor treat Ebola patient Ibrahim Mupalalo inside the Biosecure Emergency Care Unit (CUBE) at the ALIMA (The Alliance for International Medical Action) Ebola treatment centre in Beni, in the Democratic Republic of Congo, March 31, 2019.

A Congolese red cross worker writes on a cross the name of Congolese woman Kahambu Tulirwaho who died of Ebola, before a burial service at a cemetery in Butembo in the Democratic Republic of Congo, March 28, 2019.

Health workers dressed in Ebola protective suits treat an Ebola patient inside the red zone at the Ebola treatment centre in Butembo, in the Democratic Republic of Congo, March 28, 2019.

A mother of a baby suspected of dying of Ebola cries in a hospital in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018.

An Ebola survivor plays with a boy suspected of being infected with Ebola virus in a transit centre in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018.

A health worker measures the temperature of a man entering the ALIMA (The Alliance for International Medical Action) Ebola treatment centre in Beni, in the Democratic Republic of Congo, April 1, 2019.

Mwamini Kahindo, an Ebola survivor working as a caregiver to babies who are confirmed Ebola cases, holds an infant outside the red zone at the Ebola treatment centre in Butembo, Democratic Republic of Congo, March 25, 2019. Picture taken March 25, 2019.

A healthcare worker sprays a room during a funeral of Kavugho Cindi Dorcas who is suspected of dying of Ebola in Beni, North Kivu Province of Democratic Republic of Congo, December 9, 2018. REUTERS/Goran Tomasevic

A health worker checks the temperature of a woman as part of the ebola screening upon entering the General Hospital in Goma, Democratic Republic of Congo, July 15, 2019. REUTERS/Olivia Acland