GCSE · History · AQA · Spec 8145

Edward Jenner and vaccination

Imagine finding a safer way to beat a feared killer, then watching people fight you for decades. That was Edward Jenner's story.

The big puzzle

Why was a safer vaccine resisted?

In 1796 Edward Jenner found an effective and safe way to protect people against smallpox. It still met considerable opposition. Each box below is part of that story. Add an arrow wherever one thing gave rise to another or fed into it, then compare your web with ours.

Inoculation earned many doctors a great deal of money
Doctors who practised inoculation opposed Jenner
Jenner could not properly explain why vaccination worked
Some copied his method using material contaminated with smallpox
Fear and deep mistrust of vaccination
Gillray set out to discredit vaccination
Widespread vaccination delayed until later in the 19th century (outcome)

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Exam line: Strong answers link reasons rather than listing them: 'Many doctors made a great deal of money from inoculating, so those doctors opposed Jenner, and that opposition helped delay widespread vaccination.'

Inoculation or vaccination?

Inoculation (the older method)vsJenner's vaccination

Start with the first row. It is the difference people mix up most.

Focus

What goes into the body

Inoculation (the older method)

Smallpox itself

Jenner's vaccination

Cowpox

The insight

This is the whole difference. Inoculation used the killer disease itself. Jenner gave people cowpox in order to protect them against smallpox.

How safe

Inoculation (the older method)

Could give immunity, but carried some risks

Jenner's vaccination

Effective and safe

How it started in England

Inoculation (the older method)

Arrived from Turkey in 1717 through Mary Wortley Montagu; King George I then had his grandchildren inoculated

Jenner's vaccination

Jenner's first experiment, in 1796

Who had money riding on it

Inoculation (the older method)

Earned many doctors a great deal of money

Jenner's vaccination

Opposed by the doctors who practised inoculation

How Jenner tested his idea

Step through it and notice the moment where one lucky result becomes evidence.

1796: the first experimentJenner injects a boy, James Phipps, with cowpox. One case is a start, but one case on its own could be luck.
Test it againOver several weeks, Jenner repeats his test with cowpox material. This is the scientific move: checking that the result happens again.
Draw the conclusionOnly after repeating it does Jenner conclude that cowpox had given protection against smallpox.
1798: publishJenner publishes his findings for others to read and use. This is where the strong opposition begins.

What do the deaths show?

Woodville's patients

Imagine you are living at the time. Some people are copying Jenner's method, and Woodville's patients have died. Woodville's equipment was contaminated.

Which conclusion is closest to what you think right now?

Cowpox vaccination itself must be deadly.The equipment was the problem: it was contaminated, so this copy of the method went wrong.It proves the rumours are true: vaccination can make cows grow out of people.It shows Jenner never tested his method properly.

How sure are you?

I'm sureI think soI'm guessing

Cowpox vaccination itself must be deadly.

This is a common misconception

That is exactly the conclusion opponents wanted people to draw. Some people who copied Jenner's method used material contaminated with smallpox, then claimed his technique was dangerous. Jenner's vaccine, done with cowpox, was effective and safe.

The equipment was the problem: it was contaminated, so this copy of the method went wrong.

This matches the evidence

Yes. Woodville's patients died because his equipment was contaminated. The deaths say something about contamination, not about cowpox vaccination.

It proves the rumours are true: vaccination can make cows grow out of people.

This is a common misconception

People at the time really did believe vaccination could make cows grow out of them. That belief shows how much fear and deep mistrust there was. It is not evidence, and it does not explain a single death.

It shows Jenner never tested his method properly.

This is a common misconception

Jenner repeated his test with cowpox material over several weeks before he drew any conclusion. The deaths came from someone else's contaminated equipment, not from a gap in Jenner's testing.

Contaminated copies gave opponents a story to tell: 'vaccination kills'. The real lesson was that contamination kills.

Exam line: When a source says vaccination was dangerous, ask what actually went wrong: contaminated material, not cowpox done properly.

Mind the gap

How long did it take?

Drag each event to the year you think it happened, then check. Pay attention to how far apart they really are.

A — Inoculation reaches England from TurkeyB — Jenner injects James Phipps with cowpoxC — Jenner publishes his findingsD — Parliament rewards Jenner with £10,000E — Vaccination becomes compulsory in BritainF — Smallpox declared eradicated worldwide

Your turn to write

Why did Jenner's vaccine matter?

Explain the significance of Jenner's smallpox vaccine. [8 marks]

Your answer

0 words · your answer stays on this page and is not sent anywhere.

The mark scheme

It was a less dangerous way to protect people against smallpox, a greatly feared killer, than inoculation, which used smallpox itself. (1 mark)
Jenner built on the inoculators' work, so vaccination grew out of an earlier method. (1 mark)
Its impact was not immediate: considerable opposition delayed widespread use until later in the 19th century. (1 mark)
Parliament recognised it, rewarding Jenner with £10,000 in 1802 and £20,000 more in 1807. (1 mark)
The government gave vaccination increasing support and made it compulsory in 1853, despite laissez-faire attitudes to health. (1 mark)
It eventually won wide acceptance and was a major reason for falling death rates in the late 19th century. (1 mark)
By 1980 the World Health Organisation had declared smallpox eradicated from the whole world. (1 mark)
Vaccination was Jenner's own invention, an approach Pasteur later carried over to rabies. (1 mark)

Model answer

Jenner's vaccine mattered first because it gave people cowpox rather than smallpox itself, so it was a less dangerous way to protect them against a greatly feared killer, although it built on what the inoculators had already done. Its significance was not felt at once: considerable opposition delayed widespread use until later in the 19th century. Recognition did come. Parliament paid Jenner £10,000 in 1802 and another £20,000 in 1807, government support grew, and in 1853 vaccination was made compulsory even though attitudes to health were laissez-faire. In the longer term vaccination won wide acceptance and was a major reason death rates fell in the late 19th century. Its approach reached beyond smallpox, because Pasteur later carried it over to rabies, and by 1980 smallpox had been declared eradicated from the whole world.

A significant development is not always an instant success. Jenner's vaccine is significant partly because of how long its impact lasted, from Parliament's rewards to a world free of smallpox.

Exam line: For significance, go beyond 'it was important'. Show what changed at the time, what changed later, and what changed in the long term.

WHAT YOU'VE LEARNED

A quick recap of today's lesson.

A safer way to beat smallpox existed from 1796. So why was it fought for decades?

What you need to know

Inoculation used smallpox itself. It reached England from Turkey in 1717 through Mary Wortley Montagu, could give immunity but carried some risks, and earned many doctors a great deal of money.
Jenner's vaccine gave people cowpox to protect them against smallpox. It was effective and safe.
In 1796 Jenner injected James Phipps with cowpox, then repeated his test over several weeks before concluding that cowpox gave protection. He published in 1798.
Opposition came from inoculating doctors, from Jenner's inability to explain why vaccination worked, from contaminated copies of his method, and from fear that Gillray exploited.
Parliament rewarded Jenner in 1802 and 1807, vaccination became compulsory in 1853, and by 1980 smallpox had been declared eradicated worldwide.

The big picture

Smallpox killed many people in Britain. Inoculation, which used smallpox itself, gave some protection but carried risks. In 1796 Edward Jenner showed that giving people cowpox protected them safely. Yet his vaccine met considerable opposition: inoculating doctors' income, his inability to explain why it worked, contaminated copies and deep public fear. That opposition delayed widespread use until later in the 19th century. Over time, rewards from Parliament and compulsion in 1853 were followed by falling death rates and, by 1980, a world free of smallpox.

Key points

1Inoculation used smallpox itself; Jenner's vaccination used cowpox, and it was the less dangerous way to protect people.

2Jenner's approach was scientific because he repeated his test over several weeks before drawing a conclusion.

3The opposition had linked causes: money, no explanation, contaminated copies, and fear turned against vaccination.

4Woodville's patients died because his equipment was contaminated, not because cowpox vaccination was deadly.

5Opposition delayed widespread vaccination until later in the 19th century, even though government support kept growing.

6In the long term, vaccination was a major reason death rates fell in the late 19th century, and smallpox had been declared eradicated by 1980.

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Worked example

Problem

Explain one reason why doctors who practised inoculation opposed Jenner.

⚠ Watch out

Treating inoculation and vaccination as the same thing. Inoculation used smallpox itself and carried risks; Jenner's vaccination used cowpox and was safe. Mixing them up makes it impossible to explain why vaccination mattered.

🧠

Memory hook

The 4 Cs of opposition: Cash (the inoculators' income), Can't explain (Jenner had no explanation), Contamination (dangerous copies) and Cows (the fear that vaccination could make cows grow out of you, the kind of fear Gillray exploited).

✓

Check yourself

Cover the page. Can you give the key difference between inoculation and vaccination, explain what made Jenner's method scientific, and link two reasons for the opposition together in one sentence?

Flashcards

(13)

Why was smallpox worth all this effort to beat?

It killed many people in Britain and was greatly feared as a killer.

What did inoculation put into the body?

Smallpox itself. It could give immunity, but it carried some risks.

How did inoculation reach England, and when?

From Turkey in 1717, through Mary Wortley Montagu. King George I then had his grandchildren inoculated.

What did Jenner's vaccine give people, and why?

Cowpox, in order to protect them against smallpox.

Who was James Phipps?

The boy Jenner injected with cowpox in his first experiment, in 1796.

Why does Jenner's method count as scientific?

He repeated his test with cowpox material over several weeks before concluding that cowpox gave protection against smallpox.

When did Jenner publish his findings?

1798, after which he met strong opposition.

What could Jenner NOT do that weakened his case?

Explain properly why vaccination worked.

Why did Woodville's patients die?

His equipment was contaminated. The deaths did not show that cowpox vaccination was deadly.

What did Gillray do?

He exploited public fear of the new treatment to discredit vaccination and favour the inoculators.

How did Parliament reward Jenner?

£10,000 in 1802 and a further £20,000 in 1807.

What happened in 1853, and why was it surprising?

Smallpox vaccination became compulsory by government order, even though attitudes to health were laissez-faire.

What was the long-term impact of vaccination?

It won wide acceptance, was a major reason death rates fell in the late 19th century, and by 1980 smallpox had been declared eradicated worldwide.

Tap any card to flip it, or use Study as deck to go through them one at a time. In the full lesson these run as a spaced-repetition deck — you rate each card Hard, Good or Easy and the tricky ones keep coming back until they stick.

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Why was a safer vaccine resisted?

Woodville's patients

How long did it take?

Why did Jenner's vaccine matter?

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