HIV virus

Category B - full version without watermark 720x576 (check terms and conditions at www.teledesign.de) The version with watermark is for free to embed - Description: Due to the high mutation rate of the AIDS virus it has been impossible up to now to find antibodies that can render it harmless. One reason for this is the fact that the HI virus constantly changes its surface proteins. Hence it cannot be detected by the human immune system.