Here’s an article that summarizes in layman’s terms the tangle of challenges I think we face, and the path I think we should follow. The author here compares my best guesses about how fast we’ll arrive at a vaccine with those of Bill Gates, who is a little more optimistic than I am. I hope he’s right! Even if he is, we have a lot of work to do before the vaccine arrives.
Here’s the link, from Post Alley: https://www.postalley.org/2020/04/30/timeline-what-we-know-so-far-about-the-virus-and-its-scary/