The Biden administration in June dropped its requirement that people arriving in the country by air must test negative for COVID-19 but has not lifted Centers for Disease Control and Prevention (CDC) vaccination requirements. Gilead's breast cancer drug gets U.S. FDA approval for third indication Gilead Sciences said on Friday the U.S. Food and Drug Administration had greenlighted the use of Trodelvy for a third indication, providing another treatment option for patients with the most common type of breast cancer.