nbc's vicky nguyen with a closer look at how it works. >> reporter: plan your vaccine, the interactive destination with everything you need to know about getting vaccinated let me show you how it works first, select your state, then your age group then you want to click on your occupation, and make sure you click whether you have any high risk health concerns easily learn the distribution time line in your state, who's el je eligible now and who's up next hover over your state and you'll see the percentage of people who have been vaccinated and how much of the allotted vaccines have been used another useful feature, this interactive map. all you have to do is plug in your zip code, and it will automatically show you the closest vaccination sites. be sure to call ahead to make sure they have supply available. one more important feature, you can enter your e-mail to sign up for alerts as changes are made to vaccination plans in your state. you can do that for as many states as you need if you want to thephelp your parents, you can sign up how to make an appointment, what to bring, and an