Pertussis rise blamed on vaccine

Infectious disease experts including an Australian epidemiologist have blamed a steady rise in pertussis cases in the US on a new vaccine.

They say the level of protection of the acellular vaccine is lower than that of the previous whole-cell vaccine.

Writing in PLOS Computational Biology, the researchers, led by Dr Manoj Gambhir, an epidemiologist at Monash University, say other other explanations for the upsurge in pertussis “don’t appear to be as significant as a change in protection between the current and