Dr. Clair Vandersteen, left, uses a miniature camera at his hospital in Nice, France, on Monday, Feb. 8, 2021, to check inside the nasal passages of a patient, Gabriella Forgione, who says she has been unable to smell or taste since she contracted COVID-19 in November 2020. A year into the coronavirus pandemic, doctors and researchers are still striving to better understand and treat the accompanying epidemic of COVID-19-related anosmia â€" loss of smell â€" draining much of the joy of life from