A viral disease spread among calves on several farms. A vaccine against the disease was available before the outbreak.
The table shows the percentage of calves in each group that caught the disease.
| Group of calves | Percentage that caught the disease |
|---|---|
| Vaccinated | 2% |
| Not vaccinated | 60% |
A farmers' association asks a veterinary surgeon how farms should prepare for future outbreaks.
Explain what recommendation the veterinary surgeon should make. Use evidence from the table.
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.