9 years ago
Whooping cough 'evolving fast'
Whooping cough may be evolving to outsmart the currently used vaccine, say researchers. Analysis of strains from 2012 shows the parts of the pertussis bacterium that the vaccine primes the immune system to recognise are changing. It may have "serious consequences" in future outbreaks, UK researchers state in the Journal of Infectious Diseases. But experts stressed the vaccine remains highly effective in protecting the most vulnerable young babies.
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