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
20214037280.070.05471260.13
20214123290.050.06439820.11
20214223330.040.07463770.12
20214397320.190.06494390.26
202144120350.220.06540490.28
202145306360.510.06599540.57
202146675450.970.06692141.04
2021471212411.780.06679741.84
2021482249662.80.08802942.88
2021493420493.730.05914723.79
2021504479355.550.04806585.59