400位長者
電腦隨機分派到2個組別
1
冬季前
接種北半球流感疫苗*
和翌年夏季前
注射安慰劑
2
冬季前
接種北半球流感疫苗*
和翌年夏季前
接種南半球流感疫苗#
*冬季前接種流感疫苗: (Fluarix Tetra®, GlaxoSmithKline or FluQuadri®, Sanofi Pasteur)
#翌年夏季接種流感疫苗: (Fluarix Tetra®, GlaxoSmithKline or Vaxigrip®, Sanofi Pasteur)
Copyright © 2018 Study on Influenza Vaccination Strategy (Project RETAIN), School of Public Health, The University of Hong Kong. All Rights Reserved.

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