‘Can I get re-infected with omicron?’ Dr. Murphy answers viewer COVID-19 questions 1/24 Posted on January 24, 2022 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Dr. Robert Murphy is a professor of infectious disease at Northwestern University’s Feinberg School of Medicine and is the executive director for The Institute of Global Health. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: