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|Titolo:||Prevalence of diphtheria toxin antibodies in human sera from a cross-section of the Italian population.|
|Autori interni:||COCCHIONI, Mario|
PELLEGRINI, Maria Grazia
|Data di pubblicazione:||1999|
|Abstract:||A polycentric study was carried out between 1993 and 1995 in order to evaluate diphtheria immunity on a representative sample of population from different areas of Italy. To determine diphtheria antitoxin, sera from 5187 apparently healthy subjects, divided according to sex and age groups, were titrated using an ELISA indirect method. A basic protective titre of diphtheria antitoxin (> 0.01 IU ml-1) was found in 4080 (78.6%) subjects. No statistically significant differences between males and females were observed. Our findings show that the proportion of susceptibles increases with age and a high proportion of adults no longer has diphtheria antitoxin at protective levels since toxigenic C. diphtheriae circulation is presently lacking in Italy.|
|Appare nelle tipologie:||Articolo|
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