CTD member Dr. Alejandro Castellanos was featured in the December 2025 issue of the One Health newsletter in a project spotlight interview written by Madison Khatkar, PhD Candidate at UTMB. 

"In places where electricity flickers, clean water is scarce, and medical labs are hours away, diagnosing intestinal infections can feel like chasing shadows. But for Dr. Alejandro Castellanos, an Associate Professor at the Division of Infectious Diseases, the Internal Medicine department at UTMB, those challenges are precisely the point and exactly where innovation matters most. For Dr. Castellanos, the motivation for his work is simple: accurate diagnosis shouldn’t depend on where you live. His research focuses on developing novel molecular tools that can identify pathogens in remote areas."

To read the full article click here: From Lab to Real-World Use: Dr. Castellanos’s One Health Approach to Diagnostics