This key facts covers Historical Impact of Vaccination within Vaccination and Herd Immunity for GCSE Biology. How vaccines work, types of vaccines, population immunity, vaccination programs It is section 7 of 15 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Historical Impact of Vaccination
1796: First Vaccination
Edward Jenner successfully immunizes against smallpox using cowpox material.
1885: Rabies Vaccine
Louis Pasteur develops rabies vaccine, saving lives from fatal disease.
1955: Polio Vaccine
Jonas Salk's vaccine leads to 99% reduction in polio cases globally.
1980: Smallpox Eradicated
WHO declares smallpox eradicated - first disease eliminated by vaccination.
2020: COVID-19 Vaccines
mRNA vaccines developed in record time, demonstrating modern vaccine science.
Global Disease Elimination Progress
- Eradicated: Smallpox (1980)
- Near elimination: Polio (99.9% reduction since 1988)
- Dramatically reduced: Measles, mumps, rubella, diphtheria, tetanus
- Prevented annually: 2-3 million deaths in children under 5
Practice questions for Vaccination and Herd Immunity
What do vaccines contain?
Explain how vaccination protects a person from getting a disease. [3 marks]