Health workers care for patients with Ebola.
Which combination correctly identifies a symptom and a precaution against transmission?
lung damage and improving the treatment of sewage
haemorrhagic fever and preventing contact with body fluids
stomach ulcers and reducing the number of mosquitoes
leaf loss and improving ventilation in crowded rooms
43 exam-style questions on Edexcel GCSE Biology 5.1 Health and communicable disease, covering 5.1.1 Communicable and non-communicable diseases, 5.1.2 Disease susceptibility interactions, 5.1.3 Pathogens as disease-causing organisms, 5.1.4 Common infections, 5.1.5 Spread and prevention of pathogens, 5.1.6 Lifecycle of a virus, and 5.1.7 Spread and prevention of STIs. Each one has a worked solution and a mark scheme showing where the marks go.