You are here Home Glossary of technical terms Glossary of technical terms incubation period Listen Print Share Twitter Facebook Email The time between exposure to an infectious agent and development of disease. It can take days or weeks for an infection with a virus or bacterium to cause an obvious illness. Page history Last updated 11 June 2018 Last reviewed 11 June 2018 Is there anything wrong with this page? Help us improve the Australian Immunisation Handbook What you were doing? (required) What went wrong? (required) Leave this field blank