<prompt> Individuals with hypogammaglobulinemia are at paicular risk of infectious diarrhea due to :Giardiasis and shigellosisC.difficile and vibrio parahemolyticusC.difficile and giardiasisVibrio parahaemolyticus and shigellosis  <response>: Individuals with defects in cell-mediated immunity are at high risk of invasive enteropathies, including salmonellosis, listeriosis, and cryptosporidiosis. Individuals with hypogammaglobulinemia are at risk of C. difficile colitis and giardiasis. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1088 