The first shots: the epic rivalries and heroic science behind the race to the coronavirus vaccine

Part 1: Emergence January 2020 - March 2020. Sounds like it could be fun ; Courage and doubt ; Not sanctioned, not authorized ; Our bugs and gas guy ; Stabilizing the spike ; Old school, new school ; Oceanic outbreak ; Very much under control ; The president's powwow ; This ain't over

Part 2: Lockdown March 2020 - May 2020. A company is born ; Running on empty ; Masks for everyone ; The moonshot ; Return to power

Part 3: Testing May 2020 - October 2020. Horse race ; Battle rhythm ; Masters of the protocol ; Three hundred million doses ; Plasma drive ; Trials ; Tribulations

Part 4: Rollout October 2020 - January 2021. How do you know? ; Winter wave ; Seniors first ; The n-hour ; The brave endure.