Presentation is loading. Please wait.

Presentation is loading. Please wait.

Vaccination. Learning Objectives: 3.1.7 Vaccination and monoclonal antibodies To understand the use of vaccines to protect against disease To understand.

Similar presentations


Presentation on theme: "Vaccination. Learning Objectives: 3.1.7 Vaccination and monoclonal antibodies To understand the use of vaccines to protect against disease To understand."— Presentation transcript:

1 Vaccination

2 Learning Objectives: Vaccination and monoclonal antibodies To understand the use of vaccines to protect against disease To understand the role of memory cells and plasma cells in secondary response

3 The Speckled Monster

4

5

6 Edward Jenner 1796 experimented on eight-year-old James Phipps. Pus from cowpox pustule into arm folklore - milkmaids who suffered the mild disease of cowpox never contracted smallpox Submitted paper to the Royal Society in 1797 but was told that his ideas were too revolutionary and that he needed more proof. Jenner experimented on several other children, including his own 11-month- old son. In 1798 the results were finally published and Jenner coined the word vaccine from the Latin 'vacca' for cow.

7 Acquired Immunity Artificially acquiredNaturally acquired

8 Acquired Immunity Artificially acquiredNaturally acquired Active Antigens enter body naturally Antibodies & specialised lymphocytes produced

9 Acquired Immunity Artificially acquiredNaturally acquired ActivePassive Antigens enter body naturally Antibodies & specialised lymphocytes produced Antibodies pass from mother to foetus Infant does not produce any antibodies of its own

10 Acquired Immunity Artificially acquiredNaturally acquired Active Passive Antigens enter body naturally Antibodies & specialised lymphocytes produced Antibodies pass from mother to foetus Infant does not produce any antibodies of its own Antigens are introduced in vaccines Antibodies & specialised lymphocytes produced

11 Acquired Immunity Artificially acquiredNaturally acquired Active Passive Antigens enter body naturally Antibodies & specialised lymphocytes produced Antibodies pass from mother to foetus Infant does not produce any antibodies of its own Antigens are introduced in vaccines Antibodies & specialised lymphocytes produced Antibodies are introduced in an immune serum Body does not produce any antibodies of its own

12 hill.com/olcweb/cgi/pluginpop.cgi ?it=swf::525::530::/sites/dl/free/ /291136/constructing _vaccines.swf::constructing_vacc ines.swf

13

14 Herd Immunity Members of a community who are not immune to a disease are still protected, provided sufficient numbers of people in that community are immune Little opportunity to spread and find a non-immune person Only applies to diseases that are caught from other people

15

16 Outbreak Film Synopsis Put the following steps into the correct sequence: 1.Pet store owner kisses girlfriend 2.Motaba virus discovered in Africa 3.Lab technician breaks vial of infected blood sample & is infected 4.Two people die 5.Monkey is shipped to U.S from Africa in illegal pet trade 6.Pet store owner is scratched by monkey 7.Lab technican coughs at the cinema – lots infected & die 8.Infected blood of two dead people is tested 9.Create anti-serum with monkeys antibodies & mystery serum just in time before the town is destroyed by the military in an attempt to contain the virus 10.Locate monkey and give mystery serum. Monkey recovers, people do not.

17 Smallpox – a bioweapon? Only two stockpiles of the virus remain –America –Russia Guarded more closely than a nuclear weapon WHO announced that smallpox was eradicated from the world in 1980 Immunisation programme stopped

18

19 Activity was Imagine if there was a smallpox outbreak… Either: 1.Write a descriptive piece on what you would see/hear/etc 2.Write a newspaper article on the outbreak 3.Write a synopsis of a film charting the events of the outbreak


Download ppt "Vaccination. Learning Objectives: 3.1.7 Vaccination and monoclonal antibodies To understand the use of vaccines to protect against disease To understand."

Similar presentations


Ads by Google