How COVID-19 vaccines will get from the factory to your local pharmacy
By Bahar Aliakbarian
FDA could authorize Pfizer's Covid vaccine this week as U.S. deaths surge
By Berkeley Lovelace & Berkeley Lovelace Jr.
Covid-19 vaccine distribution is a huge supply challenge, from vials to freezers to keep it all cold
By Rebecca Heilweil
COVID-19 vaccines can cause side effects. Here's why that shouldn't stop you from getting the shots.
By Tom Avril
How the Pfizer-BioNTech Covid-19 Vaccine Works
By Jonathan Corum & Carl Zimmer
How Moderna’s Covid-19 Vaccine Works
By Jonathan Corum & Carl Zimmer