Researchers work at a laboratory of Aleph Biomedical Company in Dalian, northeast China's Liaoning Province, on June 11, 2009. The company imported seed viruses of A/H1N1 influenza from Britain on Monday and is trying to use them to produce vaccines for A/H1N1 flu.
Uncompressed file sizes and pixel dimensions are approximate. Grayscale images are 1/3 the file size of RGB files. Files downloaded directly from the website are compressed JPEG format. You may request a TIFF file, if available, or a larger interpolated size for your output needs. Please contact Customer Service for associated production fees.