Your COVID-19 vaccine questions answered

Dr Amir Khan answers everything you need to know about Pfizer an and BioNTech’s coronavirus vaccine.

An announcement was made by two pharmaceutical giants, Pfizer and BioNTech, saying that they had some really promising results from their vaccine trials. Here’s what we know about the vaccine so far.

This video was edited by Al Jazeera Newsfeed’s Katya Bohdan.