The pathogen is herpes, which affects millions worldwide popular. Most are affected by less serious strain of herpes, HSV-1, which produces cold sores / fever blisters. A person infected with this strain of herpes could have received the pathogen through a variety of ways, including an easy to kiss someone who was infected. This variety is essentially related to cold sores, which can be transmitted from a simple kiss from Grandma. In fact, a lot of people who contracted the virus HSV-1 strain of the pathogen contracted herpes as children or adolescents. While you may seriously reduce the chances of contracting herpes pathogen through methods such as to avoid any skin to skin contact when someone has an outbreak and use safer sex methods such as men who used a condom johnny latex and mouthguard use during oral sex to avoid the cause of herpes.