Malaria is almost never caught in the UK, although mosquitoes live in the UK. A student is travelling from the UK to a country where malaria is common.
Suggest why malaria is almost never caught in the UK, even though mosquitoes live there.
The student is told to take antimalarial drugs before the trip, during the trip and for four weeks after returning to the UK. Explain why the drugs must be taken for four weeks after the student returns.
Give one way the student could reduce the chance of being bitten while in the country.
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.