A researcher dilutes the virus strains of the influenza A/H1NI for cuvette cultivation of its vaccination at a lab of the Wuhan Institute of Biological Products in Wuhan, central China's Hubei Province, June 17, 2009. A total of 6 virus strains of the influenza A/H1NI supplied by the World Health Organization (WHO) were delivered here and started for their proliferated cultivation in the morning. (Xinhua/Zhou Chao)
Photo Gallery>>>