We’ve heard about the mounting number of measles cases spreading through West Texas and parts of New Mexico for a couple of months. But now, other states are starting to see cases pop up. We have a few already in Tennessee. Most people who are vaccinated should be okay. But some, including myself, wonder if we need a booster shot. The original measles one-dose vaccine debuted in 1963. The two-dose version followed just five years later. If you’ve had the two-dose version, you should be fine. The most vulnerable people are those who have never received the vaccine. Locating your shot records is essential…