Cost, procrastination and a lack of insurance coverage are just a few of the reasons adults give health care providers for not getting vaccinated against shingles and other illnesses. Andrew Brookes/Getty Images/Cultura RF hide caption toggle caption Andrew Brookes/Getty Images/Cultura RF Shots - Health News Shingles Is Nasty, And The New Vaccine Works Well. Why Do Adults Avoid Shots? Kaiser Health News March 20, 2018 Beyond annual flu shots, older adults need protection against shingles, pneumonia, tetanus, diphtheria and pertussis, federal health officials say. But many aren't getting vaccinated.