1. A Review of Coronavirus Disease-2019 (COVID-19)
2. The establishment of reference sequence for SARS‐CoV‐2 and variation analysis
3. Hospitalization and mortality associated with SARS‐CoV‐2 viral clades in COVID‐19;Nakamichi K.;Sci. Rep.,2021
4. W. H. Organizationet al. Virtual press conference on COVID‐19‐11 March 2020 2020 https://www.who.int/docs/default-source/coronaviruse/transcripts/who-audio-emergencies-coronavirus-press-conference-full-and-final-11mar2020.pdf.
5. Worldometer COVID‐19 coronavirus pandemic 2021 URL:https://www.worldometers.info/coronavirus.