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
2021506507616.110.051064456.17
2021516816785.550.061226605.62
20215255981073.970.071406624.05
2022013372642.30.041464382.34
2022022470711.960.051257052.02
2022032081702.010.061031862.08
2022041647451.950.05844192
2022051532412.30.06664372.36
2022061742392.790.06624242.85
2022072414563.950.09609624.05
2022082502254.450.04562064.49
202209243885.760.01422745.78