PPT-The Immune system Unit 7 Immunity and vaccines

Veterinary assisting program Responsibilities The immune system is responsible for protecting the animal from potentially harmful organisms attempting to invade It is a VERY complicated system It must be able to recognize substances that are foreign to the body by recognizing what is naturally . Equine Health Management. September 21, 2011. Controlling Infectious Disease. What is an . infectious disease. ?. Contagious disease . Virus, bacteria, parasite, fungi and protozoa. When is infectious disease. Oral immunity and . immunopathological. processes in the mouth.  Immunity. Microorganisms are in the air we breathe and in/on the food we eat;. Thus our epithelial surfaces are continuously exposed to microorganisms;. International . welcomes submissions that are original and technically so as to serve both the developing world and developed countries in the best possible way.. OMICS Journals are poised in excellence by publishing high quality research. . . Immunity . - state of protection from an infectious disease.. . 430 BC – Greek historian Thucydides - Athenian plague. . 15. th. century – Chinese attempts to induce immunity. . 1718 – Mary Wortley Montagu – innoculated her children. Immunology. - the study of host defense mechanisms. Immunity. -. ability of the host to protect itself against foreign organisms. Resistance to disease.. Antigen (Ag)- . is a foreign substance that can elicit specific immune response (IR) when is immunogenic. Immunity. Passive immunity. Active immunity. Following clinical infection. Following subclinical infection. Following vaccination. Following administration of. Immunoglobulin or antiserum. Transfer of maternal . Main Function. The Immune System is used to prevent infection and . disease.. Using . a variety of cells and organs, the Immune System disposes of foreign or harmful antibodies through a process known as the immune response.. Chapter 13. The Lymphatic System. THE LYMPHATIC SYSTEM. Lymph. — fluid in the tissue spaces that carries protein molecules and other substances back to the blood. Lymphatic vessels . — permit only one-way movement of lymph. Immune Responses. Applications of the Immune Response. A. Vaccination – the practice of deliberately stimulating the immune system in order to protect individuals against a disease. 1. Edward Jenner developed the first official smallpox . The term Immunity has traditionally referred to the resistance exhibited by the host towards injury caused by microorganism and their product.. However, protection against infectious disease is only one of many consequences of immune response, which in its entirety is concerned with the reaction of the body against any foreign antigen.. " was created by Edward Jenner which comes from the Latin word . vacca. , meaning cow. A virus that mainly affects cows (. cowpox. ). . Smallpox vaccine. , the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch . 1 To understand how vaccines work and the foundation of recommendations for their use, it is helpful to understand the basic function of the human immune system. The following description is simplifie The resistance that an individual acquires during life by recognising and selectively eliminating specific foreign molecules is known as acquired immunity.. This is displays four characteristic features:. What is vaccination and how does it work?. Immunization saves lives and keeps people healthy. Immunization saves up to 3 million lives annually . Vaccines are available to protect against the following infectious diseases, with many more in development.