4 ms·
SARS-CoV-2 itself is not a recombinant of any sarbecoviruses detected to date, and its receptor-binding motif, important for specificity to human ACE2 receptors
by frombody 6y ago
SARS-CoV-2 itself is not a recombinant of any sarbecoviruses detected to date, and its receptor-binding motif, important for specificity to human ACE2 receptors, appears to be an ancestral trait shared with bat viruses and not one acquired recently via recombination.
https://www.nature.com/articles/s41564-020-0771-4 https://www.nature.com/articles/s41564-020-0771-4
- sradman 6y agoExactly, "detected to date". The animal surveillance programs were inadequate at the time of the outbreak and have since been defunded and shutdown altogether.