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Contact: Daniel Stolte
University of Arizona
Caption: These are cytomegalovirus particles as seen through an electron microscope. While some of the protein capsules are empty, others contain tightly packaged DNA, visible as dark structures. The diameter of a human hair would cover a line of about 600 virus particles.
Credit: Farah Bughio, Felicia Goodrum
Usage Restrictions: This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated.
Related news release: Learning from a virus: Keeping genes under wraps