1. Shih SR, Chen GW, Yang CC, Yang WZ, Liu DP, Lin JH et al (2005) Laboratory-based surveillance and molecular epidemiology of influenza virus in Taiwan 23(4):1651–1661
2. World Health Organization (WHO) (2014) Fact sheet 211: influenza (seasonal).
http://www.who.int/mediacentre/factsheets/fs211/en/
. Accessed Mar 2014
3. National Health and Family Planning Commission of the PRC (2015) National influenza surveillance program.
http://www.nhfpc.gov.cn/jkj/s3577/201009/3fa356d0f4834d408fde6c12891a6482.shtml,2010
. Accessed 24 June 2015
4. Chinese Center for disease control and prevention (2011) National technical documents for influenza 2011.
http://www.cnic.org.cn/chn/down/showdown.php?downid=663
. Accessed 24 June 2015
5. Shu YL, Zhang Y, Wen LY, Li Z, Guo JF, Wang M et al (2005) Antigenic and genetic study of hemagglutinin gene of influenza virus (H3N2) circulated in China in 2004. Chinese J Exp Clin Virol 19(4):362–365 (In Chinese)