MRNA

The U.S. has reported at least 16 million total Covid-19 cases, the most in the world, according to data compiled by Johns Hopkins University.

“In the near term, I would just beg … people to do the right things and to keep their guard up,” New Jersey Gov. Phil Murphy told CNBC.

The first coronavirus vaccine to roll out is being made by Pfizer and BioNTech and takes a new approach to protecting you from infection by using what is called messenger RNA or mRNA. Unlike a traditional vaccine, this new one relies on genetic code to stimulate an immune response against COVID-19. Here are the details.