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標題: Whooping cough proteins evolving 'unusually' fast [打印本頁]

作者: kao1306 時間: 2014-12-28 09:27
標題: Whooping cough proteins evolving 'unusually' fast

[size=1.077em]Whooping cough may be evolving to outsmart the currently used vaccine, say researchers.

[size=1.077em]Analysis of strains from 2012 shows the parts of the pertussis bacterium that the vaccine primes the immune system to recognise are changing.

[size=1.077em]It may have "serious consequences" in future outbreaks, UK researchers state in the Journal of Infectious Diseases.

[size=1.077em]But experts stressed the vaccine remains highly effective in protecting the most vulnerable young babies.

[size=1.077em]There has been a global resurgence of whooping cough in recent years.

[size=1.077em]In 2012, there were almost 10,000 confirmed cases in England and Wales - a dramatic increase from the last "peak" of 900 cases in 2008.

http://www.bbc.com/news/health-30551093

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