Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2022-2023 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
20224018571052.430.13764122.56
2022412719873.160.1858813.26
20224246891065.060.11925025.18
20224385691127.840.11092727.94
2022441566214512.170.1112860612.29
2022451998518814.390.1313881314.53
2022462743018918.010.1215222318.14
2022473939517925.650.1115354325.77
2022484794016825.620.0818711225.71
2022494688220726.350.1117788126.47
2022504155021424.560.1216914324.69
2022513087314120.910.0914760521.01
2022522017117314.930.1213501715.06
202301100661528.580.121172338.71
20230247261564.450.141059674.6
20230328941552.790.141034382.94
20230418451681.920.17957532.1
20230513611891.440.2938991.65
20230610452331.090.24956671.33
2023076642230.750.25879461
2023085381440.760.2703390.96