Test negative case–control study of COVID-19 vaccine effectiveness for symptomatic SARS-CoV-2 infection among healthcare workers: Zambia, 2021–2022 by Francis Dien Mwansa, Nathan Kapata, Roma Chilengi, Sombo Fwoloshi, Muzala Kapina, Kunda Musonda, Nyambe Sinyange, Patricia Bobo, Leora R Feldstein, Oliver Mweso, John Simwanza, Warren Malambo, Dabwitso Banda, Young M Yoo, Lloyd B Mulenga, Mazyanga Mazaba Liwewe, Simon Agolory, Jonas Hines

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Factors associated with time to recovery among COVID-19 patients in selected Zambian hospitals, 2020 by Kelvin Mwangilwa, John Simwanza, Samson Shumba, Angela Gama, Musole Chipoya, Patrick Sakubita, Nelia Mulambya, Chikama Mukwangole, Davies Simwaba, Mazyanga Liwewe, Moses Mwale, Nyambe Sinyange, Anayawa Nyambe, Nkomba Kayeyi, Muzala Kapina, Joseph Mumba Zulu, Peter Chipimo, Nathan Kapata, Isaac Fwemba, Victor Mukonka, Paul Msanzya Zulu

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