Support WBUR'Test to Treat' gets COVID pills to at-risk patients fast but its reach is limitedPlay03:36Download AudioPien HuangMarch 08, 2022 ShareA passer-by walks past a sign that calls attention to COVID-19 testing while departing a Walgreens pharmacy, Wednesday, Dec. 15, 2021, in New Bedford, Mass. (AP Photo/Steven Senne)
