Would the fact checkers be able to comment on .."..on March 16...

Would the fact checkers be able to comment on ..

"..on March 16 2020, the first phase I clinical trial of a novel lipid nanoparticle (LNP)-encapsulated mRNA-based vaccine, mRNA-1273, which encodes the spike protein (S protein) of SARS-CoV-2, began in the United States (US), conducted by Moderna and the Vaccine Research Center (VRC).."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7218962/

in connection with

"The S1 protein of SARS-CoV-2 crosses the blood–brain barrier in mice"

https://www.nature.com/articles/s41593-020-00771-8

..oh but of course, humans aren't mice..