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
202327169970.570.32295200.9
2023281861170.620.39299791.01
2023291971070.650.35300601.01
2023301811280.590.41305691.01
2023312001390.630.44313561.08
2023321791160.520.33341870.86
2023332021430.540.38369750.93
202334170960.510.28332510.79