Describe a variety of infectious diseases caused by pathogens, including microorganisms, macroorganisms and non-cellular pathogens, and collect primary and secondary-sourced data and information relating to disease transmission, including: Investigate the transmission of a disease during an epidemic design and conduct a practical investigation relating to the microbial testing of water or food samples investigate modes of transmission of infectious diseases, including direct contact, indirect contact and vector transmission Thanks to STEM Reactor for sponsoring this podcast. They provide everything you need to do biotechnology at school, check them out at www.stemreactor.com.au