Reduction in morbidity and mortality from childhood diarrhoeal disease after species A rotavirus vaccine introduction in Latin America : a review
Mem. Inst. Oswaldo Cruz
;
106(8): 907-911, Dec. 2011. tab
Article
Dans Anglais
| LILACS
| ID: lil-610962
ABSTRACT
Countries in Latin America were among the first to implement routine vaccination against species A rotavirus (RVA). We evaluate data from Latin America on reductions in gastroenteritis and RVA disease burden following the introduction of RVA vaccine. Published literature was reviewed to identify case-control studies of vaccine effectiveness and population-based studies examining longitudinal trends of diarrhoeal disease reduction after RVA vaccine introduction in Latin American countries. RVA vaccine effectiveness and impact on gastroenteritis mortality and hospitalization rates and RVA hospitalization rates are described. Among middle-income Latin American countries with published data (Mexico, Brazil, El Salvador and Panama), RVA vaccine contributed to a gastroenteritis-associated mortality reduction of 22-41 percent, a gastroenteritis-associated hospitalization reduction of 17-51 percent and a RVA hospitalization reduction of 59-81 percent among children younger than five years of age. In Brazil and El Salvador, case-control studies demonstrated that a full RVA vaccination schedule was 76-85 percent effective against RVA hospitalization; a lower effectiveness of 46 percent was seen in Nicaragua, the only low-income country with available data. A growing body of literature offers convincing evidence of "real world" vaccine program successes in Latin American settings, which may be expanded as more countries in the region include RVA vaccine in their immunization programs.
Texte intégral:
Disponible
Indice:
LILAS (Amériques)
Sujet Principal:
Infections à rotavirus
/
Vaccins anti-rotavirus
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Diarrhée
/
Gastroentérite
Type d'étude:
Étude observationnelle
/
Facteurs de risque
Limites du sujet:
Enfant
/
Humains
langue:
Anglais
Texte intégral:
Mem. Inst. Oswaldo Cruz
Thème du journal:
Médecine tropicale
/
Parasitologie
Année:
2011
Type:
Article
Pays d'affiliation:
États-Unis d'Amérique
Institution/Pays d'affiliation:
Division of Viral Diseases, Centers for Disease Control and Prevention/US
/
Pan American Health Organization/US
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