KS2: Hand Hygiene In this lesson plan, students learn how easily harmful microbes can be spread through coughs and sneezes and recreate a giant sneeze, embedding good respiratory hygiene behaviours. Scroll down for more information and to download the resources. Download the complete lesson Understand how infections can be spread through coughs and sneezes and how practising proper hygiene can help prevent their transmission. Respiratory tract infections (RTI) are infections that happen in the lungs, che...