PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY PHILIPPE PLAILLY / SCIENCE PHOTO LIBRARY
AIDS vaccine research. Gloved hand holds a petri dish containing a cell culture for an HIV (Human Immunodeficiency Virus) protein. HIV is the virus which causes AIDS. Genetically engineered cells carrying a gene for an HIV protein are placed in a liquid culture (red). The protein is manufactured by incubation of the cell culture. The cells are then mixed with collagen and synthetic fibres (white) and the fibrous mass implanted into an experimental animal. HIV protein research may lead to an AIDS vaccine for humans, alerting and strengthening the immune system to HIV infection. Photographed at the Pasteur Institute, Paris.
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