This is a retrospective cohort study of children included in a large medical insurance claims database.
* To evaluate the rate of FluMist administration compared to other influenza vaccine use in the following pediatric populations: * Children younger than 24 months of age * Children 24-59 months of age with a claim associated with a diagnosis of asthma * Children 24-59 months of age without a claim associated with a diagnosis of asthma, but with dispensed medication for wheezing * Children 24-59 months of age with immunosuppression * To describe, in children in the above populations who receive FluMist, the type and number of Emergency Room visits or hospitalizations associated with an insurance claim within 42 days of receiving FluMist * To explore the rationale for FluMist immunization of pediatric populations that are excluded from recommended usage by characterizing the use in these populations
Study Type
OBSERVATIONAL
Enrollment
321,697
There were no interventions. No subjects were enrolled in this retrospective database study.
Research Site
Research Triangle Park, North Carolina, United States
FluMist Use in Participants up to 59 Months of Age
Among participants up to 59 months of age who received any flu vaccine, number who received FluMist
Time frame: 2009-2010
Vaccinating Physician Specialty: Pediatrician or Pediatric Specialist
Specialty of vaccinating physician who provided FluMist.
Time frame: 2009-2010
Vaccinating Physician Specialty: General/Family Practitioner
Specialty of vaccinating physician who provided FluMist
Time frame: 2009-2010
Vaccinating Physician Specialty: Other
Specialty of vaccinating physician who provided FluMist
Time frame: 2009-2010
Vaccinating Physician Specialty: Unknown
Specialty of vaccinating physician who provided FluMist
Time frame: 2009-2010
Geographic Region: Northeastern
Geographic region of parents' residence among participants receiving FluMist
Time frame: 2009-2010
Geographic Region: North Central
Geographic region of parents' residence among participants receiving FluMist
Time frame: 2009-2010
Geographic Region: Southern
Geographic region of parents' residence among participants receiving FluMist
Time frame: 2009-2010
Geographic Region: Western
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Geographic region of parents' residence among participants receiving FluMist
Time frame: 2009-2010
Number of Outpatient Visits: 0
Among participants vaccinated with FluMist, the number who had 0 outpatient visits in the 3 months prior to vaccination
Time frame: 2009-2010
Number of Outpatient Visits: 1
Among participants vaccinated with FluMist, the number who had 1 outpatient visit in the 3 months prior to vaccination
Time frame: 2009-2010
Number of Outpatient Visits: 2 or More
Among participants vaccinated with FluMist, the number who had 2 or more outpatient visits in the 3 months prior to vaccination
Time frame: 2009-2010
Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 0
Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.
Time frame: 2009-2010
Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 1
Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.
Time frame: 2009-2010
Number of Days With a Respiratory Claim in 28 Days Prior to Vaccination: 2 or More
Among participants vaccinated with FluMist, the number of days with a respiratory claim (asthma, acute respiratory distress, bronchospasm, influenza, respiratory syncytial virus, bronchiolitis, bronchitis, pneumonia, croup, sinusitis, adenovirus infection, coxsackie virus infection, rhinovirus infection, nasopharyngitis, laryngitis and tracheitis, upper respiratory infection, cough) in the 28 days prior to vaccination.
Time frame: 2009-2010