… tetanus- and diphtheria-specific antibody concentrations in 2100 adults of different age from
… in the level of protection against tetanus and diphtheria across Europe. Our data reveal that …

… Residual sera (n = 2697) collected in England in 2009/10 were selected from 18 age
groups and tested for tetanus and diphtheria antibody. Results were standardised by testing a …

… of the early impact of Tdap, 5 the … age. In light of these changes and findings, we sought to
update our previous analysis, looking at the impact of Tdap among those 11 to 18 years of age …

… that recommend no booster vaccinations against tetanus after the age of 20, with the only …
a single booster for those aged >60 years [28]. The range in tetanus incidence rates between …

… and tetanus. Two increases of diphtheria antitoxin levels greater than 0.1 IU/ml and tetanus
… at 4 and 14 years of age, which correspond with the policy of giving a diphtheria and …

… of age had protective levels of both diphtheria and tetanus … 70 years of age (29.5% for
diphtheria and 31.0% for tetanus). … Only 47% of persons 20 years of age or older had levels that …

… half-life) was not affected by age regardless of whether we measured immunity to tetanus
or to diphtheria or if we stratified the cohorts according to an age cutoff of 50 or 60 years. …

… vaccinations against tetanus and diphtheria according to … against tetanus, but not against
diphtheria, independently of age. In … protection against tetanus was 100 % in both age groups, …

… Antibody levels increase upon booster vaccination in all age groups, but diphtheria-specific
antibody concentrations remain below protective levels in some older individuals, even …

… tetanus or diphtheria in each of the age … tetanus antitoxin in age groups 50 years and over
to detect an expected difference between men and women of 10%, if present. Within each age …