Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2023-2024 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
2023404302850.660.43649391.1
2023415942900.90.44655141.34
2023426933181.030.47668011.51
2023438623931.240.56692291.81
20234414565661.880.73771932.61
202345258210722.791.16923013.95
202346364712503.621.241006574.86
202347433313474.551.41951525.96
202348656317035.571.441177077.02
2023491016322026.991.511452848.51
20235015245333111.062.4113778513.48
20235122244466214.393.0115450117.41
20235222859500114.973.2715259918.25
20240115372366811.142.6513796913.8
20240214374370811.022.8413040313.86
20240313212408511.383.5111606814.9
20240414151528311.744.3812048116.13
20240513522669010.95.3912394916.3
2024061214575269.786.0612409715.85
2024071103976659.186.3712014915.56
2024081014381858.586.9311810715.51
202409894474478.156.7910966314.94
202410777969027.536.6810319814.22
202411579758415.935.989762311.92
202412476646125.265.099049710.36
202413400138844.644.5861509.15
202414321129183.953.59811867.54
202415236621233.052.74773475.8
202416185615482.62.17712414.77
202417149011692.131.67696543.81
20241811008151.841.37594783.21
2024198074511.510.84533862.35
2024205943531.150.68513551.84
2024215352881.070.57497301.65
2024225331691.270.4417911.67
2024234781391.170.34405531.52
2024244081111.040.28389261.33
202425332740.890.2369141.09
202426272430.830.13326670.96
202427207160.840.06245700.9