I think 12 nucleotides is too small, I would be happier with something north of 30. There have already been strains identified with a deletion of 382 bases [0].

I think 12 nucleotides is too small, I would be happier with something north of 30. There have already been strains identified with a deletion of 382 bases [0]. 0. https://www.biorxiv.org/content/10.1101/2020.03.11.987222v1.full.pdf https://www.biorxiv.org/content/10.1101/2020.03.11.987222v1....