Ruth Link-Gelles is an American epidemiologist. She works for the United States Centers for Disease Control and Prevention (CDC) and serves as Lieutenant Commander of the United States Public Health Service Commissioned Corps. Early life and education Link-Gelles was born and raised in Cleveland Heights, Ohio, where she graduated from Cleveland Heights High School in 2002. Following her high school graduation, she enrolled at George Washington University for her Bachelor of Arts in history and her MPH in epidemiology from Emory University. Starting in 2010, Link-Gelles began working for the United States Centers for Disease Control and Prevention (CDC). While earning her PhD from the University of North Carolina at Chapel Hill, she accepted a position within the United States respiratory diseases branch within the CDC. She published her thesis in 2016 titled Are We Studying Who We Think We're Studying? Role of Socioeconomic Status in the Validity of Estimates of Pneumococcal Conjugate Vaccine Effectiveness in the United States. Following graduation, Link-Gelles received an award from Delta Omega, Theta Chapter and joined the CDC’s Epidemic Intelligence Service. Career During her tenure with the CDC, Link-Gelles has helped fight against the Zika virus and COVID-19. In 2016, she travelled with a team of researchers to the U.S. territory of American Samoa to ensure babies born to Zika-infected mothers were tested for birth defects. As a result of her research, Link-Gelles was appointed a Lieutenant Commander in the United States Public Health Service Commissioned Corps (USPHS). She later presented a study at the 2017 EIS Conference demonstrating that two-thirds of pregnant women with high viral loads of Hepatitis B go untreated. During the COVID-19 pandemic, Link-Gelles published a study in the journal Morbidity and Mortality Weekly Report which analyzed the reopening of childcare centers in Rhode Island. She then went on the lead the Pharmacy Partnership for Long-Term Care program, a monumental effort by the CDC to rapidly deliver and administers COVID-19 vaccines to residents of long-term care (LTC) settings, such as nursing homes, assisted living communities, residential care communities, group homes and senior housing. For her efforts, she was awarded the Jan Thayer Pioneer Award by the National Center for Assisted Living and the USPHS Shalon M. Irving Junior Scientist of the Year Award. Personal life Selected publications Effectiveness of 13-valent pneumococcal conjugate vaccine for prevention of invasive pneumococcal disease in children in the USA: a matched case-control study (2016) Effect