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1.
Pediatrics ; 132(1): e25-33, 2013 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-23776114

RESUMO

OBJECTIVE: Previous US evaluations have not assessed monovalent rotavirus vaccine (RV1, a G1P[8] human rotavirus strain) effectiveness, because of its later introduction (2008). Using case-control methodology, we measured the vaccine effectiveness (VE) of the 2-dose RV1 and 3-dose pentavalent vaccine (RV5) series against rotavirus disease resulting in hospital emergency department or inpatient care. METHODS: Children were eligible for enrollment if they presented to 1 of 5 hospitals (3 in Georgia, 2 in Connecticut) with diarrhea of ≤10 days' duration during January through June 2010 or 2011, and were born after RV1 introduction. Stools were collected; immunization records were obtained from providers and state electronic immunization information system (IIS). Case-subjects (children testing rotavirus antigen-positive) were compared with 2 control groups: children testing rotavirus negative and children selected from IIS. RESULTS: Overall, 165 rotavirus-case subjects and 428 rotavirus-negative controls were enrolled. Using the rotavirus-negative controls, RV1 VE was 91% (95% confidence interval [CI] 80 to 95) and RV5 VE was 92% (CI 75 to 97) among children aged ≥8 months. The RV1 VE against G2P[4] disease was high (94%, CI 78 to 98), as was that against G1P[8] disease (89%, CI 70 to 96). RV1 effectiveness was sustained among children aged 12 through 23 months (VE 91%; CI 75 to 96). VE point estimates using IIS controls were similar to those using rotavirus-negative controls. CONCLUSIONS: RV1 and RV5 were both highly effective against severe rotavirus disease. RV1 conferred sustained protection during the first 2 years of life and demonstrated high effectiveness against G2P[4] (heterotypic) disease.


Assuntos
Diarreia Infantil/imunologia , Diarreia Infantil/prevenção & controle , Infecções por Rotavirus/imunologia , Infecções por Rotavirus/prevenção & controle , Vacinas contra Rotavirus/administração & dosagem , Vacinas contra Rotavirus/imunologia , Estudos de Casos e Controles , Intervalos de Confiança , Diarreia Infantil/epidemiologia , Serviço Hospitalar de Emergência/estatística & dados numéricos , Feminino , Georgia , Hospitais Pediátricos/estatística & dados numéricos , Humanos , Imunização Secundária , Lactente , Masculino , Admissão do Paciente/estatística & dados numéricos , Infecções por Rotavirus/epidemiologia , Resultado do Tratamento , Revisão da Utilização de Recursos de Saúde/estatística & dados numéricos , Vacinas Atenuadas/administração & dosagem , Vacinas Atenuadas/imunologia
2.
Am J Infect Control ; 41(9): 841-3, 2013 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-23433983

RESUMO

Staphylococcus aureus colonization rates in pediatric health care workers from different types of outpatient settings were determined from December 2008 through May 2010. Colonization rates for Staphylococcus aureus and, specifically, methicillin-resistant Staphylococcus aureus (MRSA) rates were similar to the rates that have been reported for the general population. The predominant MRSA pulsed-field gel electrophoresis type associated with colonization in these health care workers is not MRSA USA300.


Assuntos
Assistência Ambulatorial , Portador Sadio/epidemiologia , Pessoal de Saúde , Staphylococcus aureus Resistente à Meticilina/isolamento & purificação , Pediatria , Infecções Estafilocócicas/epidemiologia , Portador Sadio/microbiologia , Eletroforese em Gel de Campo Pulsado , Genótipo , Humanos , Staphylococcus aureus Resistente à Meticilina/classificação , Staphylococcus aureus Resistente à Meticilina/genética , Tipagem Molecular , Prevalência , Infecções Estafilocócicas/microbiologia
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