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
20230611112691.10.261007541.36
2023077802610.810.27959731.08
2023087252190.780.23926961.01
2023096092270.670.25906400.92
2023106022980.690.34863761.04
2023114902640.580.31843080.89
2023124773040.570.36822740.94
2023133803560.490.46766920.95
2023144013650.550.5725291.05
2023152813420.450.55614391.01
2023162092660.360.46567010.83
2023172212890.410.54534420.95
2023181993000.370.56528880.94
2023191983590.360.65547131.01
2023201923720.40.77479581.17
2023212253020.50.68441331.19
2023222503050.580.71425161.3
2023232242080.560.52394701.09
2023242121860.580.51359381.1
2023251901220.570.37329380.94
2023262211140.720.37303311.1
202327267980.890.32299391.21
2023281861180.610.38302971
2023291991070.650.35304731
2023301811290.580.41309851
2023312021420.630.44319951.07
2023321821250.50.35357090.85
2023332091460.520.36399860.88
2023342331310.520.29446160.81
2023352571130.510.22501370.73
2023362551150.480.22521910.7
2023372891260.560.24515830.8
2023382371620.550.37429040.92