Antinuclear antibody positivity in acute Epstein–Barr virus and cytomegalovirus infections. Shira Dor Itai Harris Ofek Arviv Daniel Boleslavsky Eleanor Zeruya Michal Tepperberg Oikawa Michal Brodavka Uri Manor a Internal Medicine Department “C”, Sheba Medical Center, Tel HaShomer, Israelb Gray Faculty of Medical & Health Sciences, Tel Aviv University, Tel Aviv, Israelc Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel HaShomer, Israeld National Center for Herpes Viruses, Sheba Medical Center, Tel HaShomer, Israele Rheumatology Unit, Sheba Medical Center, Tel HaShomer, Israelf Management Wing, Sheba Medical Center, Tel HaShomer, Israel