Airs Thursday, May 12, at 6 p.m. Concerns about the spread of Zika virus have been mounting. Tune in for Health Matters, Thursday at 6 p.m. Dr. Sanford Katz will host this discussion on Zika virus. Guests will be Dr. John Vanchiere, Associate Professor and Chief of Pediatric Infectious Diseases at LSU Health Shreveport; Dr. Michelle Arnold, Assistant Professor of Microbiology and Immunology at LSU Health Shreveport; and Dr. Beverly Burden, Entomologist and Associate Professor Department of Biological Sciences at LSU Shreveport. Your questions will be taken during the show at 1-800-552-8502 or via Twitter @rrrpublicradio.