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
20214038280.070.05491770.13
20214122310.040.06457870.11
20214226380.050.07483940.13
20214398330.190.06513550.25
202144123360.210.06563730.28
202145309360.490.05623420.55
202146684450.940.06721641.01
2021471265391.780.05709361.83
2021482351672.780.07842702.86
2021493840493.970.05966454.02
2021506508616.110.051064556.17
2021516898785.60.061230805.66
20215257501084.040.071422694.11
2022013462682.340.041479382.38
2022022524721.980.051268622.04
2022032111722.020.061044362.09
2022041668461.940.05855452
2022051516412.240.06676182.3
2022061787422.810.06635772.87
2022072416583.910.09616684.01
2022082706294.510.04599264.56
2022093439405.780.06594405.85
2022103997516.630.08602356.72
2022114809527.810.08615357.89
2022125213358.10.05643338.15
20221353621148.350.17641828.53
2022146352349.350.05679159.4
2022156720249.910.03678099.94
2022165987528.740.07684848.81
2022175786408.110.05712988.17
2022186280508.540.06734778.61
2022194364546.930.08629617.01