Flu Vax Reactions; Bad Batch Ruled Out, the Search for the Cause Continues

One of the criticisms being leveled at the government for the recent adverse flu events is the question of how thoroughly the current 2010 seasonal flu triple antigen has been tested. This year’s vaccine contains three viral components, A/California/7/2009 (NYMC X-181) (A/California/7/2009 (H1N1) – like) 7.5 µg haemagglutinin per dose, A/Wisconsin/15/2009 (NYMC X-183) (A/Perth/16/2009 (H3N2) – like) 7.5 µg haemagglutinin per dose, B/Brisbane/60/2008 (B/Brisbane/60/2008 – like) 7.5 µg haemagglutinin per dose, a combination not used in Australia before. Ian Barr, the deputy-director of the World Health Organization’s influenza centre in Melbourne, was interviewed for the World Today on ABC radio on Monday April 26th, about the question of whether the current seasonal flu combination has been tested in clinical trials. Read more.