There was an outbreak of measles in a town. The table shows the number of children in two groups and the number in each group who caught measles during the outbreak.
Table: The number of children in two groups and the number in each group who caught measles during an outbreak of measles in a town
| Group of children | Number of children in the group | Number who caught measles |
|---|---|---|
| Vaccinated against measles | 4000 | 40 |
| Not vaccinated against measles | 500 | 350 |
Calculate the percentage of the vaccinated children who caught measles.
The percentage of the children who were not vaccinated and caught measles was 70 %.
Use the data in the table to explain the advice a doctor in this town would give to parents.
Explain why the doctor cannot give a medicine that will cure a child who has caught measles.
176 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.