"Pathogenic infection" refers to the invasion and multiplication of harmful microorganisms, such as bacteria or viruses, in the body. These microorganisms cause diseases and can make us sick. Full definition
The recent declines and disappearances of many frogs, toads, and salamanders have been blamed on a number of causes, including pathogenic infection, pesticides, pollutants, increased UV radiation from ozone depletion, and local drought spurred by climate change. (sciencemag.org)
ILC3s that lacked Id2 were unable to produce a molecule called IL - 22 that subsequently stimulates other intestinal cells to produce antimicrobial peptides (AMPs), which help protect the body against pathogenic infections. (sciencedaily.com)
These genetically attenuated parasites, or «GAPs,» are incapable of multiplying, but are alive and able to effectively stimulate the immune system to build up defenses to prevent pathogenic infection. (sciencedaily.com)