| the seroepidemiology of b. pertussis infection in catalonia, spain. | a survey of the seroprevalence of pertussis antibodies in a representative sample of the population from catalonia was carried out. ninety-seven municipalities and 30 schools were randomly selected to recruit the 2126 subjects who participated in the study. a serum sample was obtained from all individuals participating in the study in order to determine levels of pertussis toxin (pt) and filamentous hemagglutinin (fha) antibodies by elisa test. sociodemographic data were collected for all subjec ... | 2001 | 11349970 |
| epidemiology and surveillance of pertussis among infants in catalonia, spain, during 1997-2001. | despite high levels of vaccination coverage in spain and catalonia (98% in 2002), pertussis is a significant cause of morbidity among infants. the study aim was to estimate the incidence of hospitalizations for pertussis among infants from 1997 through 2001 in catalonia. | 2005 | 15933560 |
| prevalence of pertussis antibodies in umbilical cord blood samples in catalonia, spain. | the objective of the study was to determine the prevalence of detectable antipertussis antibodies (anti-pt) and recent pertussis infection in a representative sample (n=508) of pregnant women in catalonia (spain). antipertussis (pt) antibodies were determined in cord blood samples using an in-house enzyme-linked immunosorbent assay test. the prevalence of detectable anti-pt levels was 72.8% and the prevalence of recent pertussis infection in mothers (cord blood anti-pt level of > or = 195 eu/ml ... | 2008 | 18985858 |
| prevalence of antibody to bordetella pertussis in neonates and prevalence of recent pertussis infection in pregnant women in catalonia (spain) in 2003 and 2013. | infections because of bordetella pertussis still occur in infants and adults in european countries, despite vaccination coverage against pertussis being high. | 2014 | 24871642 |