Pandemic (H1N1) 2009 in pregnant Japanese women in Hokkaido.

作者: Takahiro Yamada , Takashi Yamada , Mamoru Morikawa , Kazutoshi Cho , Toshiaki Endo

DOI: 10.1111/J.1447-0756.2011.01644.X

关键词:

摘要: Aim:  No maternal mortality from pandemic (H1N1) 2009 occurred in Japan. However, the reasons for this lack of deaths remain unknown. This study was performed to investigate how many pregnant women were infected, took antiviral drugs prophylaxis or treatment, and rate vaccination effectiveness. Material Methods:  A questionnaire given 20 500 postpartum before leaving obstetric facilities between December May 2010 Hokkaido, asking about drugs, vaccination, infection with 2009. Results:  Approximately one-third (n = 7535) questionnaires responded. Of these, 268 (3.5%) indicated that they had contracted influenza. 353 (4.7%) after close contact an infected person 140 (39.7%) finally influenza during accounting 52.2% (140/268) all patients. 229 (85.4%) patients drug treatment 6 (2.2%) needed hospitalization, but not mechanical ventilation intensive care unit. 196 (73.1%) already availability a vaccine. Among 7328 candidates 4921 (67.2%) vaccinated. Infection 0.22% (11/4921) 2.1% (50/2407) vaccinated non-vaccinated women, respectively. Conclusion:  Frequent use may partially explain low no Vaccination reduced by 89% Japanese women.

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