On this edition of Africa 54: Nigerian doctors are on strike over unpaid salaries and poor benefits amid a fresh wave of coronavirus infections, severely straining the country's healthcare system; A village in Malawi is that nation's first ever to have zero malaria cases for a whole year, becoming a model for how to eradicatethat disease. And, Zambia continues tabulating Thursday's votes in a tight presidential election between top contenders President Edgar Lungu and main rival Hakainde Hichilema. The election took place amid restrictions on internet access and violence in three regions.