For 2D output, Postscript and especially MetaPost are useful.
14 karma · joined July 9, 2009
https://www.statista.com/statistics/1022927/russia-annual-in...
https://pubmed.ncbi.nlm.nih.gov/33176598/
PCR tests on Spanish sewer water found positive samples even earlier in 2019. I think the earliest so far French case was in early December 2019. I hope lots more studies are proceeding.
Isn't that quite a strong claim?