This is a set of 9 revision sheets covering all of the areas of Topic 2 infection and response. The pdf document with exam tips is designed to help with revision of the AQA GCSE specification for Triple/ Separate Science looking at the second topic from the specification - infection and response. The resources cover the higher paper content. The pdf contains all the content required for the specification, broken down for ease of understanding. There are complementary diagrams and exam tips are included. This enables students to maximise the number of marks they can achieve. Where appropriate links are made to other parts of the specification to increase understanding of context.