AstraZeneca vaccine can be 90% effective, Joe Biden picks Antony Blinken for Secretary of State, and majority of Americans say they got the worst sleep in 2020.

Roni Caryn Rabin from the New York Times breaks down some of the numbers coming out about the coronavirus.

Ebola and Zika are new threats, not new viruses. Jessica Firger from Newsweek has the story.