Pediatric Infectious Diseases are those infections that cause in newborns, children, adolescents. If a child has a recurring or persistent disease caused by an infectious agent such as bacteria, a fungus, a parasite, or other rare infection, a pediatric infectious diseases specialist diagnose and treat such infected-children. Pediatrics treats disease-infected children dealing with complications such as severe complicated or recurrent infections; infections acquired during travel, Human Immunodeficiency Virus (HIV) infection; infections in patients on immune modulating therapy; pre-transplant evaluation; transplant infections; primary immune deficiency; unexplained fevers; and infections like tuberculosis, C. difficile, Lyme disease or other tick-borne diseases or infections.