Kaiden's Infection refers to the time between being stabbed by Ave'el's knife and breaking free of the infection. After escaping from the Amazon jungle in Operation Shadowsnake Ada along with Kaiden escape to Brisilia and from there traveled to the United States specificly New york city so that they might lie low from a bit. After about three days since being stabbed, Kaiden got increadibly ill seemingly out of nowehre. Fearing that he might have picked somthig up an normal infection from his arm which had been cut she admitted him into a hospital under an assumed name. For the next few days he got worse and worse with the docters unsure of what exactly was happening to him. Ada decided that she needed some help if she was going to keep her friend alive. Wasting no time she found Leon's nu