ENVS 4210 Lecture Notes - Lecture 3: Degenerative Disease, Passive Immunity, Genetic Disorder
Set 3 an interruption, cessation, or disorder of body function, systems, or organs. arises from infectious agents, inherent weakness, lifestyle, or environmental stress. Primary focus of epidemiology identifying the causes and mechanism of disease spread. etiology science and study of the cause of disease and their mode of operation. Communicable disease an infectious disease (caused by pathogen) is contagious or capable of being communicated (transmitted). all communicable disease are infectious, but not all infectious disease are communicable. Noncommunicable disease found in the environment can infect, but a person can not transmit the infection to another person. Vertical transmission transmission of infection from parent to offspring through sperm, placenta, milk, or vaginal fluids. Horizontal transmission transmission from infected individual to susceptible contemporary. Four common stages of disease: stage of susceptibility, stage of pre symptomatic disease, stage of clinical disease, stage of recovery, disability, or death stage of susceptibility involves the likelihood of disease, predisposition and susceptibility factors.