Four boarding schools each have 1000 children. At the start of term, one child with measles attended each school.
The table shows vaccination and measles data for the four schools.
| School | Children vaccinated (%) | Measles cases among unvaccinated children |
|---|---|---|
| J | 60 | 120 |
| K | 75 | 50 |
| L | 90 | 8 |
| M | 97 | 1 |
A health worker claims that increasing the percentage of children vaccinated can protect children who have not been vaccinated.
Use calculations and your knowledge of vaccination to explain whether the data support this claim.
252 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.