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
20224019841052.530.13782492.66
2022412961883.360.09880553.46
20224250801085.320.11954275.43
20224393411138.270.11128518.37
2022441695314512.680.113362712.79
2022452133818814.80.1314412614.93
2022462875018918.220.1115777518.34
2022474059617925.70.1115796025.81
2022484883517225.460.0819178525.55
2022494772720826.150.1118250026.26
2022504207321624.340.1217282524.46
2022513130914320.680.0915138420.77
2022522050117314.770.1213875714.89
202301102681538.480.121210028.61
20230248521564.440.141092104.58
20230329821582.790.141067902.94
20230419431691.950.16996162.12
20230514262001.460.2971681.67
20230611112691.10.261002551.37
2023077802610.810.27959731.08
2023087252190.780.23926961.01
2023096092270.670.25901870.92
2023106022980.690.34863761.04
2023114902640.580.31843080.89
2023124753010.580.36818140.94
2023133312950.470.42692110.9
2023143623250.530.47680451
2023152292750.460.55494911.01
2023161241590.350.45350450.8