The researchers pass the container with virus strains of the influenza A/H1NI for cultivation of its vaccination through an obturator onto laboratory at the other side at the Wuhan Institute of Biological Products in Wuhan, central China's Hubei Province, on June 17, 2009. [Xinhua]

Researchers inoculate the virus strains of the influenza A/H1NI to the chicken embryo at a lab of the Wuhan Institute of Biological Products in Wuhan, central China's Hubei Province, on June 17, 2009. [Xinhua]