Published June 29, 2021 at 4:00 PM CDT Listen • 18:24 Dr. Kenneth Haller receives his first dose of the Pfizer COVID-19 vaccine in December. Dr. Kenneth Haller has grown accustomed to conversations with parents who are leery of the COVID-19 vaccine. In these moments, the SLUCare pediatrician at SSM Health Cardinal Glennon Children’s Hospital struggles not to take it personally. “When someone says, ‘I don't want to vaccinate my kid,’ as a doctor, I have an emotional response too,” he said. “I might react by saying, ‘Well, vaccines are safe and effective. There are plenty of studies to show that if you were a good parent, you’d do that.’ And those are all good, factual statements, but from a communication standpoint, that's awful.”