Trump says McKesson Corp. to distribute coronavirus vaccine under Operation Warp Speed MarketWatchExclusive: U.S. to make coronavirus strain for possible human challenge trials Yahoo NewsThe U.S. has already invested billions in potential coronavirus vaccines. Here's where the deals stand CNBCOne in three Americans say they won't get coronavirus vaccine: poll MSN MoneyMore than 1 in 3 Americans will refuse a COVID-19 vaccine: poll Fox NewsView Full Coverage on Google News