Effectiveness of inactivated COVID-19 vaccines against SARS-CoV-2 infections among healthcare personnel in Pakistan: a test-negative, case-control study. https://www.medrxiv.org/content/10.1101/2023.01.09.23284342
Effectiveness of inactivated COVID-19 vaccines against SARS-CoV-2 infections among healthcare personnel in Pakistan: a test-negative, case-control study. https://www.medrxiv.org/content/10.1101/2023.01.09.23284342