0 past simple and past participle of vaccinate
1 to give someone a vaccine, usually by injection, to prevent them from getting a disease:
Measles vaccine efficacy during an outbreak in a highly vaccinated population : incremental increase in protection with age at vaccination up to 18 months.
This allows the coverage to be estimated from ageserological data if we make a further assumption about the timing and age-range vaccinated.
There is increasing evidence that pertussis continues to affect adolescents and young adults who were vaccinated as infants, albeit in a less severe form.
In fact, 85 % of the population is effectively vaccinated and will be protected against infection for life.
Sera has been systematically collected from mice and rats either harbouring a schistosome infection, or vaccinated with the isolated membrane preparation.
Of these, all but five (0.6 %) had been vaccinated at least 2 weeks prior to the cruise.
Seroprevalence was somewhat lower in the vaccinated age groups, but still sufficient to maintain herd immunity.
Whether the frequency of these viruses increased in our vaccinated study population cannot be determined, nor can their effect on vaccine efficacy.
