meningokoki- dawka przypominająca?

Znalazłam dziś w newsletterze emedicine taką informację: Meningococcal Vaccine Booster: New Recommendations (...) First, immunity does appear to decline after 5 years, earlier than had been suspected. Secondly, if you look at vaccine effectiveness, within a year of getting the vaccine, it's in the low 90% range, within 1 to 2 years of receiving the vaccine, it's also in the low 90% range, but when you look between 2 to 5 years after vaccination, althou