biology - Vaccines

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Who was Edward Jenner?
He was a scientist studied how milk girls didnt get small pox, so he injected his servants son with a mild variation of the disease cowpox
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What was Edward Jenners hypothesis?
If you have come into contact with cowpox you wont suffer small pox
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Whats the first step of immunisation?
A vaccine containing a dead or weakened pathogen is injected into the boy (it has antigens on the surface).
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Whats the second step of immunisation?
A type of white blood cell, called a lymphocyte, with an antibody that perfectly fits the antigen is activated.
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Whats the third step of immunisation?
The lymphocyte divides over and over again to produce clones of identical lymphocytes.
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What is the forth step of immunisation?
Some lymphocytes secrete large amounts of antibodies. the antibodies stick to the antigens and destroy the pathogen.
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What is the last step of immunisation?
Some of the lymphocytes remain in the blood as memory lymphocytes, ready to respond immediatly if the same antigen ever turns up again.
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Card 2

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What was Edward Jenners hypothesis?

Back

If you have come into contact with cowpox you wont suffer small pox

Card 3

Front

Whats the first step of immunisation?

Back

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Card 4

Front

Whats the second step of immunisation?

Back

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Card 5

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Whats the third step of immunisation?

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