Franklin A. Neva followed by service with the US Navy at Naval Medical Research Unit-3 in Cairo, Egypt. He spent several years at Harvard University as a researcher. He became a professor at University of Pittsburgh, where he worked with Jonas Salk on a vaccine for polio. While at Pittsburgh, he also isolated ECHO 16, the virus responsible for Boston exanthem disease. This was the first description of that disease. Together with Thomas Weller, he isolated the Rubella virus in 1962. In 1964 he moved back to Harvard to head the Department of Tropical Public Health. In 1969 he joined the National Institutes
Jonas Salk got in. During his years at New York University Medical School, Salk worked as a laboratory technician during the school year and as a camp counselor in the summer. During Salk's medical studies, he stood out from his peers, according to Bookchin, "not just because of his continued academic prowess—he was Alpha Omega Alpha, the Phi Beta Kappa Society of medical education—but because he had decided he did not want to practice medicine." Instead, he became absorbed in research, even taking a year off to study biochemistry. He later focused more of his studies on bacteriology which had replaced medicine