The plague was the cause of the Black Death that swept through Asia, Europe, and Africa in the 14th century and killed an estimated 50 million people. This was about 25% to 60% of the European population.
12 November, 2020 — The mystery of one African nation’s low COVID death toll
[nature.com]
"One of the first large SARS-CoV-2 antibody studies in Africa suggests that by mid-2020, the virus had infected 4% of people in Kenya — a surprisingly high figure in view of Kenya’s small number of COVID deaths."
Population of Kenya: 51 million
Number infected: 2,040,000
Number of Covid deaths: 1,249
Conclusion: in Kenya, to every death from Covid infection, there is 1,633 survivors