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
202144123360.210.06563720.28
202145309360.490.05623190.55
202146684450.940.06721611.01
2021471265391.780.05709131.83
2021482351672.790.07842472.87
2021493840493.970.05966294.02
2021506506616.110.051064296.17
2021516816785.550.061226605.62
20215255971073.980.071406224.05
2022013371642.30.041464082.34
2022022451641.950.051254602
2022032001721.980.071008902.05
2022041547401.90.04814151.94
2022059082220.04453822.04