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You searched for: Author/Creator An, Zhi-Jie

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1. A case–case study on the effect of primary and booster immunization with China-produced COVID-19 vaccines on prevention of pneumonia and viral load among vaccinated persons infected by Delta and Omicron variants. Issue 1 (31st December 2022)

2. A practical community-based response strategy to interrupt Ebola transmission in sierra Leone, 2014–2015. Issue 1 (December 2016)