A huge U.S. study of another COVID-19 vaccine candidate got underway Monday as states continue to roll out scarce supplies of the first shots to a nation anxiously awaiting relief from the catastrophic outbreak.
The U.S. government is close to a deal to acquire tens of millions of additional doses of Pfizer's vaccine in exchange for helping the pharmaceutical giant gain better access to manufacturing supplies.
The Department of Veterans Affairs (VA) will begin COVID-19 vaccinations this week at 128 additional sites using the Moderna and Pfizer COVID-19 vaccines.