Population-based active surveillance cohort studies for influenza: lessons from Peru.
نویسندگان
چکیده
منابع مشابه
Transmission dynamics of pandemic influenza A(H1N1)pdm09 virus in humans and swine in backyard farms in Tumbes, Peru
OBJECTIVES We aimed to determine the frequency of pH1N1 transmission between humans and swine on backyard farms in Tumbes, Peru. DESIGN Two-year serial cross-sectional study comprising four sampling periods: March 2009 (pre-pandemic), October 2009 (peak of the pandemic in Peru), April 2010 (1st post-pandemic period), and October 2011 (2nd post-pandemic period). SAMPLE Backyard swine serum, ...
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ورودعنوان ژورنال:
- Bulletin of the World Health Organization
دوره 90 4 شماره
صفحات -
تاریخ انتشار 2012