David Geier has been hired as a senior data analyst at H.H.S. According to several people, he will examine any potential links between vaccines and autism that were debunked long ago. David Geier has been hired as a senior data analyst at H.H.S. According to several people, he will examine any potential links between vaccines and autism that were debunked long ago. Vaccination and Immunization, Centers for Disease Control and Prevention, Children’s Health Defense, Health and Human Services Department, Vaccine (Journal), Cassidy, Bill (1957- ), Kennedy, Robert F Jr, Trump, Donald J NYT > Science