Influenza and SARS-CoV-2 Co-infections in California, USA, September 2020-April 2021.
Kyle R Rizzo, Cora Hoover, Seema Jain, Monica Sun, Jennifer F Myers, Brooke Bregman, Deniz M Dominguez, Allison Jacobsen, Garrett J Jenkins, Tamara Hennessy-Burt, Erin L Murray
During September 1, 2020-April 30, 2021, the California Department of Public Health, Richmond, California, USA, received 255 positive influenza molecular test results that matched with severe acute respiratory syndrome coronavirus 2 molecular test results; 58 (23%) persons were co-infected. influenza activity was minimal in California, and co-infections were sporadic.
