COVID-19, vaccines. Telehealth. Home care. 2021 was a memorable year for Penn Medicine. We were faced with historic challenges, but we brought innovation and compassion to our work. We were focused on the future and innovating to define t [ŝ. source http://hub.page/healthcare/2021-at-penn-medicine-year-in-review sourcehttps://hubpage2.wordpress.com/2021/12/31/2021-at-penn-medicine-year-in-review/