https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7036342/
https://journals.asm.org/doi/10.1128/jvi.00543-20
https://www.ncbi.nlm.nih.gov/nuccore/MT019532
https://www.ncbi.nlm.nih.gov/nuccore/MT560525.1
https://www.ncbi.nlm.nih.gov/nuccore/MN908947