摘要:This report provides an update on the surveillance conducted by the Australian Paediatric Surveillance Unit (APSU) during the period 1 January to 31 December 2012. The APSU, now in its 20th year of operation, continues to facilitate national active surveillance of uncommon communicable diseases of childhood. In 2012, the APSU conducted national surveillance for acute flaccid paralysis (AFP), congenital cytomegalovirus (cCMV), congenital rubella, perinatal exposure to HIV and HIV infection, neonatal herpes simplex virus (HSV) infection, congenital and neonatal varicella, severe complications of varicella and juvenile onset recurrent respiratory papillomatosis (JoRRP). Surveillance for the severe complications of influenza was undertaken during the influenza season June to September.