Shingles: changes, incidence and new vaccine
Dear Dr. K: I had shingles three years ago and now I have it again. I thought you were only supposed to get shingles once. Your impression and what I was taught in medical school are identical, but, unfortunately, are now incorrect. There are probably two reasons for this change. One reason is that until a disease state is subjected to critical analysis, misjudgments of incidence and frequency can be made. The other is that due to modern antiviral drugs…