On this edition of Africa 54: U.S. Agency for International Development head Samantha Power is on a visit to Sudan and Ethiopia; A World Health Organization report says hundreds of health workers and patients have been killed or injured in the last few years; And the COVID-19 pandemic's economic impact has led to cuts in foreign aid from donors like Britain, which this month slashed its aid budget by $5.5 billion, hitting those on the ground in Africa.