This hands-on activity, aimed at students aged 11-14, will help students to understand how pathogens can make you ill. After a short role play activity, students answer the questions on the worksheet. This worksheet is part of a collection of materials based on Alfie's Story – about a boy who has a rare genetic disease. The resource is from Genetic Disorders UK, which provides schools with a host of free resources for increasing awareness and understanding of genetic disorders.

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