The United States will pay $ 1.95 billion to Pfizer and BioNTech, for a possible Covid-19 vaccine, if it would be safe and effective
The US could buy 100 million doses Covid-19 vaccine for $ 1.95 billion from Pfizer and BioNTech, to develop and …
covid 19 vaccine
AstraZeneca began to receive positive results from the vaccine
A vaccine, from the University of Oxford against the coronavirus, has begun to give positive results and produce antibodies and …