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An electron microscope image shows a human T cell, in blue, under attack by HIV, in yellow. (Seth Pincus, Elizabeth Fischer, Austin Athman/National Institute of Allergy and Infectious Diseases/AP)
An electron microscope image shows a human T cell, in blue, under attack by HIV, in yellow. (Seth Pincus, Elizabeth Fischer, Austin Athman/National Institute of Allergy and Infectious Diseases/AP)
