This report summarises Australian passive surveillance data for adverse events following immunisation (AEFI) for 2015 reported to the Therapeutic Goods Administration and compares them to long-term trends. There were 2,924 AEFI records for vaccines administered in 2015; an annual AEFI reporting rate of 12.3 per 100,000 population. There was a decline of 7% in the overall AEFI reporting rate in 2015 compared with 2014. This decline in reported adverse events in 2015 compared to the previous year was mainly attributable to fewer reports following the HPV vaccine and replacement of monovalent vaccines (Hib, MenCCV and varicella) with combination vaccines such as Hib-MenC, and MMRV. AEFI reporting rates for most individual vaccines were lower in 2015 compared with 2014. The most commonly reported reactions were injection site reaction (26%), pyrexia (17%), rash (16%), vomiting (8%) and headache (7%). The majority of AEFI reports (85%) were described as non-serious events. There were two deaths reported, but no clear causal relationship with vaccination was found.
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