Prevalence of SARS-CoV-2 in six districts in Zambia in July, 2020: a cross-sectional cluster sample survey oleh Lloyd B Mulenga, PhD, Jonas Z Hines, MD, Sombo Fwoloshi, MMed, Lameck Chirwa, MPH, Mpanji Siwingwa, MPH, Samuel Yingst, PhD, Adam Wolkon, MPH, Danielle T Barradas, PhD, Jennifer Favaloro, MS, James E Zulu, MBChB, Dabwitso Banda, MBChB, Kotey I Nikoi, BSc, Davies Kampamba, MSc, Ngawo Banda, BAS, Batista Chilopa, BSc, Brave Hanunka, MSc, Thomas L Stevens, Jr, DrPH, Aaron Shibemba, MMed, Consity Mwale, MMed, Suilanji Sivile, MMed, Khozya D Zyambo, MMed, Alex Makupe, MMed, Muzala Kapina, MBChB, Aggrey Mweemba, MMed, Nyambe Sinyange, MSc, Nathan Kapata, PhD, Paul M Zulu, MD, Duncan Chanda, MMed, Francis Mupeta, MMed, Chitalu Chilufya, MBChB, Victor Mukonka, PhD, Simon Agolory, MD, Kennedy Malama, MBChB