Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2021-2022 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
20214041370.080.07496880.15
20214124320.050.06463130.12
20214226390.050.07489130.13
20214399330.190.06519140.25
202144124370.210.06570350.28
202145309360.480.05632680.54
202146687450.940.06729051
2021471285391.780.05718881.84
2021482395712.80.08852482.89
20214939135140.05977824.05
2021506681616.170.051081966.23
2021517240785.70.061269045.76
20215260881094.140.071470404.21
2022013606682.390.041508722.43
20220226007220.051294242.06
2022032190722.050.061067712.11
2022041722461.970.05871242.02
2022051570412.270.05688932.33
2022061855472.860.07648002.93
2022072525654.010.1629534.11
2022082813334.60.05611284.65
2022093612435.910.07610795.98
2022104206546.780.08620096.86
2022114951527.910.08625817.99
2022125483368.230.05665818.28
20221355641158.370.17664028.55
2022146660349.440.04704979.49
2022156844269.840.03694899.88
2022166303528.760.07719158.83
2022176235438.10.05769718.15
2022186702518.380.06798928.45
2022196086637.190.07845547.27
2022205059275.970.03847086
2022214756395.740.04828425.78
2022223785464.840.05781584.9
2022232451343.260.04750433.31
2022241600402.30.05694542.36
2022251084401.630.06664931.69
202226777371.210.05640051.27
202227587300.930.04629660.97
202228424460.770.08549850.85
202229330360.640.07509480.71
202230141250.40.07349630.47