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The recent emergence of deadly zoonotic viral diseases, including Ebola virus and SARS-CoV-2, emphasizes the importance of pandemic preparedness for the animal-sourced viruses with potential risk of animal-to-human spillover. Over the last 2 decades, three significant coronaviruses of bat origin, SARS-CoV, MERS-CoV, and SARS-CoV-2, have caused millions of deaths with significant economy and public health impacts.