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
2023096062240.670.24901870.92
2023106022980.690.34863761.04
2023114902640.580.31843080.89
2023124773040.570.36822740.94
2023133453420.480.48710370.96
2023143713610.520.51705231.03
2023152643290.470.58560551.05
2023161962640.350.48549840.83
2023172102820.410.55505500.97
2023181802680.360.54488810.91
2023191602330.390.58400010.98
2023201082470.330.77318941.11