The U.S. has taken a big step toward a potential coronavirus vaccine, signing a contract with Pfizer for $1.9 billion for the first 100 million doses of a COVID-19 vaccine now in development.
The U.S. has taken a big step toward a potential coronavirus vaccine, signing a contract with Pfizer for $1.9 billion for the first 100 million doses of a COVID-19 vaccine now in development.
WATCH: Madison County officials hold coronavirus news conference for July 31
Just a day after the Moderna biotech company started one of the largest trials to test the Covid-19 vaccine on Monday, the..