LSU Health Shreveport expands enrollment ages in Pfizer-sponsored COVID-19 vaccine study Fri, 09/25/2020 - 12:00am LSU Health Shreveport is expanding enrollment in the Pfizer-sponsored COVID-19 vaccine study for the next two weeks to include individuals ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about LSU Health Shreveport expands enrollment ages in Pfizer-sponsored COVID-19 vaccine study