Acellular pertussis vax wanes drastically

The study, in the latest Medical Journal of Australia, reported on the effectiveness of the vaccine during epidemics between 2009 and 2012, when close to 2000 notifications and 29 hospitalisations were recorded.

Children aged between seven and just under 11 years — the first birth cohort to receive the acellular vaccine instead of the whole-cell vaccine — had the highest rates of infection during 2010.

In an accompanying editorial, Professor Peter McIntyre, director of the National Centre for Immunisation Research and