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
20214226380.050.07481730.13
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
2022022524721.990.051267162.04
2022032110722.020.061043582.09
2022041668461.950.05854362
2022051516412.240.06675002.3
2022061787422.810.06634552.88
2022072385563.890.09611713.99
2022082704294.510.04598944.56
2022093253405.680.06572065.75
2022103750766.540.13573036.67
2022114154467.540.08550747.62
2022122924236.450.05452806.5