A hospital asks all visitors to clean their hands with an alcohol gel before they enter a ward.
Explain how cleaning hands with alcohol gel reduces the spread of communicable diseases in the hospital.
Patients who have a communicable disease are kept in a separate room away from other patients. Name this way of reducing the spread of a disease.
Give one other way, apart from hygiene and isolation, that the spread of a communicable disease can be reduced.
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.