1. From the Laboratory of Molecular and Structural Virology, National Center for Scientific Research, Gif-sur-Yvette, France; the2Opthalmology Service, Bice^tre Hospital, Assistance Publique-Ho^pitaux de Paris, Le Kremlin-Bice^tre, France.
2. From the Laboratory of Molecular and Structural Virology, National Center for Scientific Research, Gif-sur-Yvette, France; the
3. Division of Virology, Department of Pathology, University of Cambridge, Cambridge, United Kingdom; and the
4. Opthalmology Service, Bice^tre Hospital, Assistance Publique-Ho^pitaux de Paris, Le Kremlin-Bice^tre, France.