What you need to know about the COVID-19 vaccine

Pfizer, BioNTech, and Moderna are the first to complete phase 3 clinical testing for a COVID-19 vaccine in the U.S. Mashable's Rebecca Sohn breaks down what needs to happen next before we finally get a vaccine. Read the full story here. Read more...More about Mashable Video, Vaccine, Pfizer, Vaccination, and Coronavirus