With the first two vaccines above 90% efficacy, this does look very promising in general. If the other vaccines also turn out this well, this makes it look like

With the first two vaccines above 90% efficacy, this does look very promising in general. If the other vaccines also turn out this well, this makes it look like a more optimistic timeline for vaccinating enough people to stop the pandemic is possible. Moderna is planning for 500-1000 million doses in 2021, BioNTech/Pfizer for up to 1.3 billion doses. Not sure how many more promising candidates there are that can be ready early in 2021, but I think there were a few more.