In this Tuesday, June 22, 2021 file photo, healthcare workers prepare to test patients for COVID-19 at the Lancet Laboratories in Johannesburg. Africa is facing a devastating resurgence of COVID-19 infections whose peak will surpass that of earlier waves as the continent's countries struggle to vaccinate even a small percentage of the population, top health officials said Thursday June 24, 2021. (Photo by Denis Farrell/AP Photo/File)





Ethiopian voters queue outside a polling station in Addis Ababa, on June 21, 2021. Voters in Ethiopia cast ballots on June 21, 2021 in a delayed national election taking place against the backdrop of war and famine in the northern Tigray region and questions over the poll's credibility. (Photo by Marco Longari/AFP Photo)





Refugees seat by their shelter in Goudebo, a camp that welcomes more than 11,000 Malian refugees in northern Burkina Faso, on International Refugee Day on June 20, 2021. Oscar-winning actor Angelina Jolie on Sunday visited a refugee camp in Burkina Faso sheltering thousands of Malians who have fled jihadist violence in the region. Jolie visited the camp at Goudebou, in the northeast of the landlocked west African country, as part of her role as an ambassador for the UN refugee organisation, the UNHCR. (Photo by Olympia de Maismont/AFP Photo)





Ethiopian Orthodox children play near a church in Bahir Dar, northern Ethiopia, on June 18, 2021. (Photo by Eduardo Soteras/AFP Photo)





A nurse performs a COVID-19 test at a rapid testing site on a rainy day in Cape Town, South Africa, Thursday, June 17, 2021. The head of the World Health Organization, Tedros Adhanom Ghebreyesus, said Monday, June 21, 2021 the U.N. agency is in discussions with numerous companies and institutions to create a technology transfer hub for coronavirus vaccines in South Africa. (Photo by Nardus Engelbrecht/AP Photo)





A member of the Amhara police seats with his gun at a distribution center in the city of Bahir Dar, Ethiopia, on June 20, 2021. (Photo by Eduardo Soteras/AFP Photo)





Addis Ababa police officers take part in a parade to display their new uniforms, and their readiness for the upcoming Ethiopian parliamentary and regional elections, in Addis Ababa, Ethiopia, June 19, 2021. (Photo by Baz Ratner/Reuters)





In this image made from video, an injured victim of an alleged airstrike on a village arrives in an ambulance at the Ayder Referral Hospital in Mekele, in the Tigray region of northern Ethiopia, Wednesday, June 23, 2021. An airstrike hit a busy market in Ethiopia's northern Tigray village of Togoga on Tuesday and killed at least 51 people, according to health workers who said soldiers blocked medical teams from traveling to the scene. (Photo by AP Photo/Stringer)





An injured resident of Togoga, a village about 20km west of Mekele, arrives on a stretcher to the Ayder referral hospital in Mekele, the capital of Tigray region, Ethiopia, on June 23, 2021, a day after a deadly airstrike on a market in Ethiopia's war-torn northern Tigray region, where a seven-month-old conflict surged again. Witnesses and medical personnel said dozens were killed or wounded at a busy market in Togoga town on June 22, 2021, as ballot counting was underway across much of the rest of the country following June 21's national election. (Photo by Yasuyoshi Chiba/AFP Photo)





A woman prepares traditional food known as alloco, fried bananas, to sell on the street during a celebration for the return of the former Ivorian president Laurent Gbagbo in Mama, Ivory Coast, Saturday, June 19, 2021. The town's residents and people from other villages say that they will keep celebrating every day until Gbagbo arrives in his hometown. After nearly a decade, the ex-president returned to his country after his acquittal on war crimes charges that was upheld at the International Criminal Court earlier this year. (Photo by Leo Correa/AP Photo)





Women celebrate the return of the former Ivorian president Laurent Gbagbo in Mama, Ivory Coast, Saturday, June 19, 2021. (Photo by Leo Correa/AP Photo)





A woman dances as she takes part in a celebration for the return of the former Ivorian president Laurent Gbagbo in Mama, Ivory Coast, Saturday, June 19, 2021. (Photo by Leo Correa/AP Photo)





Women joke around as they take part in a celebration for the return of the former Ivorian president Laurent Gbagbo in Mama, Ivory Coast, Saturday, June 19, 2021. (Photo by Leo Correa/AP Photo)





People sing as they walk on the road toward the former Ivorian president Laurent Gbagbo's hometown celebrating his return to the country, in Mama, Ivory Coast, Saturday, June 19, 2021. (Photo by Leo Correa/AP Photo)





In a costume depicting the former Ivorian president Laurent Gbagbo with luggage, Djekou Charlotte takes part in a celebration in Mama, Ivory Coast, Saturday, June 19, 2021. (Photo by Leo Correa/AP Photo)





Seventh graders at the Kiros Gessesse Elementary School attend class a week after schools in Mekele had resumed full operations on June 16, 2021 in Mekele, Ethiopia. The school is currently operating at full capacity but is contending with a lack of exercise books. G7 leaders recently called for unimpeded access for aid workers in the region where government forces and Eritrean troops have fought regional rebels starting last November. The UN says 350,000 people here are living in famine conditions, a characterization the Ethiopian government disputes, although they have admitted to “food insecurity” in Tigray. (Photo by Jemal Countess/Getty Images)





Ethiopian Orthodox priests walk around the church during the Saint Michael's anniversary celebration at St. Michael church in Mekele, the capital of Tigray region, Ethiopia, on June 19, 2021. (Photo by Yasuyoshi Chiba/AFP Photo)





Workers carry sacks of wheat for a food distribution for 4503 people, who fled the violence in Ethiopia's Tigray region, organised by the local NGO Relief Society of Tigray (REST) through damaged oil cans in Mekele, the capital of Tigray region on June 22, 2021. (Photo by Yasuyoshi Chiba/AFP Photo)





Electoral officials count ballots in front of electoral observers at a polling station in the city of Bahir Dar, Ethiopia, on June 22, 2021. Ethiopia voted on June 21, 2021 in an election billed as the most democratic yet in Africa's second-most populous country, but taking place as famine blights its war-torn Tigray region. (Photo by Eduardo Soteras/AFP Photo)





An Ethiopian Orthodox devotee waits to attend the Saint Michael's anniversary celebration at St. Michael church in Mekele, the capital of Tigray region, Ethiopia, on June 19, 2021. (Photo by Yasuyoshi Chiba/AFP Photo)