— By Michelle Crouch Julia McLean, 70, knew it was time to get a second pneumonia vaccination. Her doctor had reminded her, but the holidays were coming, so she decided to put it off. That turned out to be a mistake. In early 2017, McLean came down with pneumonia. “It was horrible,” said McLean, who lives in Charlotte. “I was really, really sick for three weeks. I felt terrible, I had no energy, and it seemed like it took forever to …