From Louisiana Department of Health. Drive thru COVID-19 testing throughout Acadiana is available to everyone at no cost. In Lafayette, testing is available at Lafayette Parish Health Unit Clifton Chenier Complex, Monday – Friday 8am – 2:15pm, 220 West Willow St. Bldg A. Below is a list of COVID-19 vaccine providers in Acadiana. For more information, please call 337-262-5311.