Even as COVID-19 vaccine distribution ramps up in Philadelphia, the virus remains prevalent, and shoring up testing capabilities is a key way to protect local residents. Penn Medicine has tapped into a workforce in its own backyard to expand testing efforts in the area: Through the University City District’s West Philadelphia Skills Initiative (WPSI), the health system has hired 50 new laboratory assistants, who will play a pivotal role in collecting and processing large quantities of testing samples.