Dr. Karin Bok is a Senior Vaccine Scientific Advisor at the National Vaccine Program Office, within the Office of the Assistant Secretary for Health. Dr. Bok leads the vaccine safety portfolio and advises on vaccine research and development issues. She also participates on research studies on vaccines administered to pregnant women, and is currently co-leading the Maternal Immunization Working Group at the National Vaccine Advisory Committee. Karin completed her master in science and doctoral degrees in Virology at the University of Buenos Aires, Argentina, focusing on the national gastroenteritis surveillance program, the clinical testing of the rotavirus vaccine, and the reimplementation of the National Smallpox Vaccine Program. Karin also completed a postdoctoral fellowship at Eastern Virginia Medical School in the Departments of Microbiology and Pediatrics, performing research on antiviral drugs against norovirus. Following her postdoctoral fellowship, Dr. Bok joined the Caliciviruses Section at the National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH). At the NIH, Dr. Bok led several research projects involving high throughput diagnostics, molecular evolution, vaccine and antiviral design, and pre-clinical and clinical vaccine and therapeutics testing in both, non-human primates and human research subjects. Dr. Bok has also participated in clinical research studies focusing on the epidemiology of gastrointestinal viral disease and antiviral treatment in immunocompromised patients.