LSU Health Shreveport cancels vaccination clinics Wednesday due to threat of bad weather Hereâs the vaccination schedule for the remainder of the week By Curtis Heyen | March 16, 2021 at 3:15 PM CDT - Updated March 16 at 11:29 PM SHREVEPORT, La. (KSLA) â LSU Health Shreveport will hold no COVID-19 vaccination clinics Wednesday, March 16. The clinics previously scheduled for that day have been canceled due to the threat of severe weather. Vaccinations will be administered between 10 a.m. and 6 p.m. Thursday, March 18 and Friday, March 19 at the Louisiana State Fair Grounds in Shreveport, according to an email received late Tuesday night from Dr. John Vanchiere.