Thread by @ABC

Pres. Biden is out with a new strategy to turn around the pandemic, including an ambitious new vaccine effort.

But vaccinating America in record time amid a fast-moving pandemic is easier said than done.

Here are five things to know about the plan: abcn.ws/2LUBthS

1. There's been 1 million shots per day in recent days, and it's still not enough. abcn.ws/39YBJV9

2. Mobile vaccine vans will help—but what's needed now is supply. abcn.ws/39YBJV9

3. Boosting supply is easier said than done. abcn.ws/39YBJV9

4. Biden's plan relies on industry cooperation—and the Defense Production Act comes with restrictions that some companies might not want. abcn.ws/39YBJV9

5. There's still no good way to track vaccinations nationwide in real-time. abcn.ws/39YBJV9