All coverage
Why these volunteers chose to participate in a coronavirus vaccine trial
By Amanda Watts, Christina Maxouris & Amanda Jackson
China's CanSino pushes coronavirus vaccine into clinical testing as Moderna kicks off trial
By Angus Liu
First human trial for coronavirus vaccine begins Monday in the US
By Berkeley Lovelace & Berkeley Lovelace Jr.
Photos show world's first human trial of COVID-19 coronavirus vaccine
By Sarah Al-Arshani