COSSI Our work Main navigation Aboriginal and Torres Strait Islander immunisation Australian Immunisation Handbook AusVaxSafety Clinical research COSSI About COSSI COSSI committee Join COSSI Knowledge sharing and dissemination COSSI reports and publications COVID-19 Disease surveillance and epidemiology Education and training New South Wales Immunisation Specialist Service (NSWISS) Paediatric Active Enhanced Disease Surveillance (PAEDS) PHN Immunisation Support program Population health Program evaluation Regional and global collaborations Research to inform policy Sharing Knowledge About Immunisation (SKAI) Serosurveillance Social science in immunisation Vaccine coverage Vaccine safety The Collaboration on Social Science and Immunisation (COSSI) is a collective of researchers, healthcare professionals, people working in immunisation policy and practice, and consumer representatives who work collaboratively to improve vaccine acceptance and uptake. In 2022, COSSI was awarded a Public Health Association of Australia President's Award in recognition of the group’s excellent contribution to public health. About COSSI Read about COSSI objectives, funding and membership COSSI committee Read about how is COSSI governed Join COSSI Find out how you can join COSSI Knowledge sharing and dissemination COSSI holds bi-monthly meetings to exchange knowledge. Find out more COSSI reports and publications Read reports and publications by COSSI members here Our work Main navigation Aboriginal and Torres Strait Islander immunisation Australian Immunisation Handbook AusVaxSafety Clinical research COSSI About COSSI COSSI committee Join COSSI Knowledge sharing and dissemination COSSI reports and publications COVID-19 Disease surveillance and epidemiology Education and training New South Wales Immunisation Specialist Service (NSWISS) Paediatric Active Enhanced Disease Surveillance (PAEDS) PHN Immunisation Support program Population health Program evaluation Regional and global collaborations Research to inform policy Sharing Knowledge About Immunisation (SKAI) Serosurveillance Social science in immunisation Vaccine coverage Vaccine safety News & Events News | 03 November 2023 The Vaccination Insights project – national surveillance of drivers of under-vaccination in Australian children aged under 5 years News | 27 October 2023 Indigenous status completeness in notification data strong for some vaccine preventable diseases, but improvements needed News | 26 October 2023 Maternal vaccination rates are increasing steadily in NSW – but coverage inequalities remain, new research shows News | 21 September 2023 Multiple vaccinations for children – new NCIRS resource 6592 views