![University of Georgia bacteriologist Govind Dev Kumar joined the faculty at the Center for Food Safety on the UGA Griffin campus in Griffin, Georgia, in September of 2018.](https://secure.caes.uga.edu/news/multimedia/images/4313/GDKlr.jpg)
Pathogens’ Defense
When humans get sick, our immune systems kick into high gear. To help guard against disease, people are increasingly turning to antimicrobial agents — from soaps to wipes to hand sanitizers — to help kill germs. However, scientists have found that some strains of Salmonella pathogens have developed strategies to evade damage.