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
202144123360.210.06564180.28
202145309360.490.05623870.55
202146684450.940.06722041
2021471265391.780.05709771.83
2021482352672.780.07843252.86
2021493841493.970.05966894.02
2021506511616.110.051065056.17
2021516901785.60.061231375.66
20215257521084.040.071423444.11
2022013463682.330.041479952.38
2022022525721.980.051269112.04
2022032113722.020.061044732.09
2022041671461.950.05856042
2022051516412.230.06676802.3
2022061793432.810.06636242.88
2022072425593.920.09617504.02
2022082711304.510.05599934.56
2022093453405.80.06595225.86
2022104009516.640.08603296.72
2022114816527.810.08615967.9
2022125222368.10.05644018.16
20221353641148.340.17642578.52
2022146359349.350.05679819.4
2022156727259.890.03680029.92
2022166014528.730.07688468.81
2022175836418.110.05719388.16
2022186360518.510.06746958.58
2022195719627.250.07787757.33
2022204797266.150.03779116.19
2022214273355.970.04714776.02
2022223332335.820.05572215.88