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
20230328991562.790.151038062.94
20230418521691.920.17964002.09
20230513721991.440.21946731.65
20230610612671.080.27975121.36
2023077302480.780.26925981.05
2023086872100.770.23888811
2023095742140.660.24864560.91
2023105222830.660.36782771.02
2023113611740.550.26646500.82