Ms. Lewis is an epidemiologist at the US Centers for Disease Control and Prevention. Her research focuses on vaccine impact and effectiveness against HPV infections, cervical precancer, and juvenile-onset recurrent respiratory papillomatosis (JORRP). She has specific expertise in nationally representative analyses using data from the National Health and Nutrition Examination Survey (NHANES) and is currently leading the CDC’s efforts in monitoring JORRP prevalence and incidence in the United States.