Shelton JF, Shastri AJ, Ye C, Weldon CH, Filshtein-Sonmez T, Coker D, et al. Trans-ancestry analysis reveals genetic and nongenetic associations with COVID-19 susceptibility and severity. Nature Genetics. 2021 Jun;53:801-808 pubmed.ncbi.nlm.nih.gov/33888907/ Markov PV, Ghafari M, Beer M, Lythgoe K, Simmonds P, Stilianakis NI, et al. The evolution of SARS-CoV-2. Nat Rev Microbiol. 2023 Jun;21(6):361–379 pubmed.ncbi.nlm.nih.gov/37020110/ Centers for Disease Control and Prevention. CDC COVID-19 Publication Database. Atlanta, GA, USA: Centers for Disease Control and Prevention [updated 2024 Mar 4; cited 2024 Mar 5]. Available from: phgkb.cdc.gov/PHGKB/cdcCovPubStartPage.action