How the search for a vaccine is going, and what is involved with that, you may want to check out https://blogs.sciencemag.org/pipeline/ar...-prospects, a recent post by Derek Lowe on his blog In The Pipeline, which mainly covers pharmaceutical chemistry. The article gives an overview of the vaccines currently being researched, as well as what the different kinds of vaccine are and how they work.
"This is Master Obi-Wan Kenobi. I regret to report that both our Jedi Order and the Republic, have fallen with a dark shadow of the Empire rising to take their place. This message is a warning and a reminder for any surviving Jedi. Trust in The Force. Do not return to the Temple... that time has past. And our future is uncertain. We will each be challenged. Our trust. Our faith. Our friendships. But we must persevere. And in time, a new hope will emerge. May the Force be with you, always."