70,190
Participants
Start Date
October 18, 2017
Primary Completion Date
April 19, 2018
Study Completion Date
May 4, 2018
R/R - Autodialers
Investigators will send out flu vaccine reminder recall notices via autodialer message to the parents of children 6 months - 17 years of age who are due for the flu vaccine, per the records in the New York State Immunization Information System (NYSIIS).
R/R - Texting
Investigators will send out flu vaccine reminder recall notices via text message to the parents of children 6 months - 17 years of age who are due for the flu vaccine, per the records in the New York State Immunization Information System (NYSIIS).
R/R - mailed postcard
Investigators will send out flu vaccine reminder recall notices via mailed postcards to the parents of children 6 months - 17 years of age who are due for the flu vaccine, per the records in the New York State Immunization Information System (NYSIIS).
University of California, Los Angeles, Los Angeles
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
New York State Department of Health
OTHER_GOV
University of Colorado, Denver
OTHER
University of California, Los Angeles
OTHER