Is there a vaccine?
Unless it’s engineered and/or weaponized, rodent traps and antibiotics.
No vaccine, since the disease is a bacterium and not a virus.
But it can be treated with anti-biotics.
I got shots for it in the Army. I wonder how long they are good for? Anyone know?
Don't need one. Just basic antibiotics fixes it. The southwest US is a reservoir for yersinia pestis, due to it being imported along with all the Chines railroad workers in the 19th century - the fleas carrying it infested the local rodentia, and we'll never get rid of it now. There's a case or two every year. I got curious and called the CDC in Atlanta a few years ago and they sent me a large envelope of information - several hundred pages, and I read them all. No worries.
Here is a very interesting article about occurrences in the US.
http://include.nurse.com/apps/pbcs.dll/article?AID=/20080211/SW02/80208036
> Is there a vaccine?
Yes there is; but since plague is bacterial and not viral, the vaccine is only effective for a short period of time, probably not more than a year ot two.
Don’t worry though, plague responds to common antibiotics.
Antibiotics.