A woman is checked by healthcare workers to see her eligibility for the COVID-19 vaccine in Windhoek, capital of Namibia, March 19, 2021. (Xinhua/Musa C Kaseke) A survey of COVID-19 effects on selected businesses conducted by the Namibia Statistics Agency in 2020 revealed that the manufacturing sector reported the highest number of businesses adversely affected by COVID-19, followed by the hotels and restaurants and construction. WINDHOEK, April.