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Effectiveness of BNT162b2 and CoronaVac vaccines in prevent..:

Yan, Vincent Ka Chun ; Cheng, Franco Wing Tak ; Chui, Celine Sze Ling...
https://discovery.ucl.ac.uk/id/eprint/10169778/1/Effectiveness%20of%20BNT162b2%20and%20CoronaVac%20vaccines%20in%20preventing%20SARS-CoV-2%20Omicron%20infections,%20hospitalizations,%20and%20severe%20c.pdf.  , 2023