[jackthehammer]

But if chloroquin , with or without zinc, halts viral replication as is proposed

" Chloroquine Is a Zinc Ionophore"

https://www.ncbi.nlm.nih.gov/pubmed/25271834

then it _is_ a tool to contain the spread of SARS-CoV-2 b/c it could also be used prophylactically. i.e., the virus can't replicate in the human cell if the cell already has adequate chloroquin + Zn++ present.