Severe Acute Respiratory Syndrome Coronavirus 2 and Respiratory Virus Sentinel Surveillance, California, USA, May 10, 2020–June 12, 2021 oleh Gail L. Sondermeyer Cooksey, Christina Morales, Lauren Linde, Samuel Schildhauer, Hugo Guevara, Elena Chan, Kathryn Gibb, Jessie Wong, Wen Lin, Brandon J. Bonin, Olivia Arizmendi, Tracy Lam-Hine, Ori Tzvieli, Ann McDowell, Kirstie M. Kampen, Denise L. Lopez, Josh Ennis, Linda S. Lewis, Eyal Oren, April Hatada, Blanca Molinar, Matt Frederick, George S. Han, Martha Sanchez, Michael A. Garcia, Alana McGrath, Nga Q. Le, Eric Boyd, Regina M. Bertolucci, Jeremy Corrigan, Stephanie Brodine, Michael Austin, William R. K. Roach, Robert M. Levin, Brian M. Tyson, Jake M. Pry, Kristin J. Cummings, Debra A. Wadford, Seema Jain