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Why these volunteers chose to participate in a coronavirus vaccine trial
By Amanda Watts, Christina Maxouris & Amanda Jackson
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
First US clinical human trial of potential coronavirus vaccine set to start Monday
By Darrell Etherington