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  4. Prospective Multinational Study of Pertussis Infection in Hospitalized Infants and Their Household Contacts
 
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Prospective Multinational Study of Pertussis Infection in Hospitalized Infants and Their Household Contacts

Resource
PEDIATRIC INFECTIOUS DISEASE JOURNAL v.26 n.3 pp.238-242
Journal
PEDIATRIC INFECTIOUS DISEASE JOURNAL
Journal Volume
v.26
Journal Issue
n.3
Pages
238-242
Date Issued
2007
Date
2007
Author(s)
Kowalzik, Frank
Barbosa, Arnaldo Prata
Fernandes, Vera Regina
Carvalho, Paulo Roberto
Avila-Aguero, Mar??a Luisa
Goh, Daniel Y. T.
Goh, Anne
Miguel, M Jesus Garcia de
Moraga, Fernando
Roca, Joan
Campins, Magda
Huang, Li Ming
Quian, Jorge
Riley, Nicole
Beck, Dominique
URI
http://ntur.lib.ntu.edu.tw//handle/246246/88795
Abstract
Background: Increased incidence of pertussis has been noted among infants too young to be immunized. We studied the disease burden of pertussis in pediatric intensive care units and the source of infection in several Asian, European and Latin American countries. Methods: The study was conducted in 7 countries from September 2001 to January 2004 . Children < 1 year of age were enrolled from pediatric intensive care units (PICU) and pediatric wards if they presented with respiratory failure, apnea, bradycardia, or cough accompanied by paroxysms, vomiting, whoop or cyanosis. Household members of pertussis-positive index cases were asked to answer a questionnaire and provide diagnostic specimens. Results: Pertussis was confirmed in 99 infants ( 12%) of 823 infants included in the analysis: 10 of 90 (11%) in Brazil, 9 of 88 (10%) in Costa Rica, 11 of 145 (8%) in Germany, 13 of 147 (9%) in Singapore, 29 of 67 (43%) in Spain , 2 of 86 (2%) in Taiwan and 25 of 200 (13%) in Uruguay . However, sensitivity analysis indicated that these figures were conservative. The mean (--SD) average age of infection was 2.6 +/- 2.2 months. Pertussis was found among 96 of 269 (36%) of household contacts investigated. At least one household contact was identified as the source of infection in 24 of 88 (27%) of the PICU cases and mothers were identified as being the most frequent source of infection. Conclusion: Although regional differences exist, severe pertussis represents a considerable global disease burden. Since most infants are infected before vaccination and concomitant protection is completed, household contacts should be targeted for booster vaccination to reduce the pertussis reservoir.
Subjects
infant
pertussis vaccine
intensive care units pediatric
SDGs

[SDGs]SDG3

Type
journal article

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