Interview by Marshall Weiss The Observer Although Dr. Jack Bernstein estimates he’s run between 60 to 100 medical studies over his career as an infectious disease physician, the trials for Pfizer’s Covid-19 vaccine this fall marked the first for him and his wife, Maryann, as participants. An emeritus professor at

Returns to nursing home care, one of her ‘first loves’ By Marshall Weiss, The Dayton Jewish Observer With more than 20 years of service to the Federation — most as director of nursing for Covenant House — Maryann Bernstein will return to the nursing home field on Aug. 1 when