SAN FRANCISCO -- Herculean efforts by scientists and physicians around the world have resulted more than 50 experimental COVID-19 vaccines currently in global clinical trials. The focus in the U.S.
Shares of Moderna (MRNA), Pfizer (PFE), and Sanofi (SNY) drew increased attention on Tuesday as traders reacted to the U.S. government’s move to halt future mRNA vaccine development under the ...