HLSC 1F90 Lecture 13: infection diseasse

• School: Brock University
• Department: Health Sciences
• Course: HLSC 1F90
• Professor: dr.L A W R E N C E

Document Summary

Lecture 13: infectious diseases :prof. ana sanchez, phd. Host: an organism that is larger than the infectious agent that provides shelter, nutrients, facility of maturation, reproduction and spread. Infection: presence of an infectious agent in the body (internally) Infestation: presence of an infectious agent on the body (externally) Disease: (cid:858)a pathologi(cid:272)al (cid:272)o(cid:374)ditio(cid:374) of a part, orga(cid:374), or syste(cid:373) of a(cid:374) orga(cid:374)is(cid:373) resulti(cid:374)g fro(cid:373) various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms. Vector: an arthropod usually an insect capable of transmitting pathogens that cause infectious diseases. Preventing infection or fighting it when it happens. Learning, training, cooperation, efficiency, following orders and rules, knowing when to stop, The chain of infection: infectious diseases are transmitted from one person to another through a series of steps a chain of infection. New infections can be prevented by interfering with any step in the process phase 1: pathogen.