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Vaccination during the 2013-2014 influenza season in pregnant Japanese women

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Title: Vaccination during the 2013-2014 influenza season in pregnant Japanese women
Authors: Yamada, Takahiro Browse this author →KAKEN DB
Abe, Kanako Browse this author
Baba, Yosuke Browse this author
Inubashiri, Eisuke Browse this author
Kawabata, Kosuke Browse this author
Kubo, Takahiko Browse this author
Maegawa, Yuka Browse this author
Fuchi, Naoki Browse this author
Nomizo, Mari Browse this author
Shimada, Manabu Browse this author
Shiozaki, Arihiro Browse this author →KAKEN DB
Hamada, Hiromi Browse this author →KAKEN DB
Matsubara, Shigeki Browse this author →KAKEN DB
Akutagawa, Noriyuki Browse this author
Kataoka, Soromon Browse this author →KAKEN DB
Maeda, Makoto Browse this author
Masuzaki, Hideaki Browse this author →KAKEN DB
Sagawa, Norimasa Browse this author
Nakai, Akihito Browse this author →KAKEN DB
Saito, Shigeru Browse this author →KAKEN DB
Minakami, Hisanori Browse this author →KAKEN DB
Issue Date: Mar-2015
Publisher: Springer
Journal Title: European journal of clinical microbiology & infectious diseases
Volume: 34
Issue: 3
Start Page: 543
End Page: 548
Publisher DOI: 10.1007/s10096-014-2259-8
PMID: 25311988
Abstract: This questionnaire survey was conducted at 11 hospitals in Japan to determine vaccination coverage against seasonal influenza and the prevalence rate of influenza among pregnant Japanese women. Of 2,808 postpartum women who gave birth at the 11 hospitals during the study period from March 1, 2014, to July 31, 2014, 1,713 (61 %) participated in this study and 876 (51 %) reported having received vaccination against influenza in or after October 2013. Women aged < 25 years had a significantly lower vaccination rate than those aged a parts per thousand yen25 years (31 % vs. 53 %, respectively; p = 0.0000). Eighty-seven (5.1 %) and 1,626 (94.9 %) women did and did not contract influenza, respectively. Although prior birth did not affect overall vaccination coverage (50 % for primiparous vs. 53 % for multiparous), multiparous women had a significantly higher rate of contracting influenza than primiparous women, irrespective of vaccination status (5.6 % vs. 2.2 % [p = 0.0216] and 9.7 % vs. 3.5 % [p = 0.0003] for women with and without vaccination, respectively). The 2013-2014 vaccination program significantly reduced the influenza infection rate by 35 % (3.9 % vs. 6.3 % for women with and without vaccination, respectively; p = 0.0272). Seventy-two (83 %) of the 87 women took antiviral agents for the treatment of influenza and two (2.3 %) required hospitalization. These results suggested that pregnant Japanese women had a high level of concern regarding seasonal influenza. However, campaigns targeting young pregnant Japanese women, as well as multiparous women, for vaccination are needed in order to further reduce the incidence of influenza among pregnant Japanese women.
Description: The original publication is available at
Type: article (author version)
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山田 崇弘

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