Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2020-2021 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
20204019210.150.17123410.32
20204130280.190.18150920.38
20204227260.170.17152500.34
20204322210.130.12166240.25
20204424200.110.09207480.21
20204529230.10.08266420.19
20204630430.080.12347420.21
20204734550.080.14392560.22
20204819360.050.1343310.16
20204931650.070.15427510.22
20205025760.050.18417960.24
20205134800.080.19411280.27
20205234670.080.17387390.26
20205333740.080.17411440.26
20210128950.060.22417760.29
20210219430.040.11385720.16
20210320600.050.17351250.22
2021047180.030.09185310.13