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Latest Medical Research Council Centre for Outbreak Analysis and Modelling Stories

2010-06-24 13:49:55

A vaccine-derived strain of poliovirus that has spread in recent years is serious but it can be tackled with an existing vaccine A vaccine-derived strain of poliovirus that has spread in recent years is serious but it can be tackled with an existing vaccine, according to a new study published today in the New England Journal of Medicine. Vaccine-derived polioviruses can emerge on rare occasions in under-immunized populations, when the attenuated virus contained in a vaccine mutates and...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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